diff --git a/src/bin_client/client_protocols_commands.ml b/src/bin_client/client_protocols_commands.ml
index 817494b39..c1a36161a 100644
--- a/src/bin_client/client_protocols_commands.ml
+++ b/src/bin_client/client_protocols_commands.ml
@@ -39,7 +39,7 @@ let commands () =
          Lwt.catch
            (fun () ->
               Lwt_utils_unix.Protocol.read_dir dirname >>=? fun (_hash, proto) ->
-              Shell_services.inject_protocol cctxt proto >>= function
+              Injection_services.protocol cctxt proto >>= function
               | Ok hash ->
                   cctxt#message "Injected protocol %a successfully" Protocol_hash.pp_short hash >>= fun () ->
                   return ()
diff --git a/src/lib_client_commands/client_helpers_commands.ml b/src/lib_client_commands/client_helpers_commands.ml
index 46f9b8c47..64a024e31 100644
--- a/src/lib_client_commands/client_helpers_commands.ml
+++ b/src/lib_client_commands/client_helpers_commands.ml
@@ -40,12 +40,13 @@ let commands () = Clic.[
       (prefixes [ "bootstrapped" ] @@
        stop)
       (fun () (cctxt : #Client_context.full) ->
-         Shell_services.bootstrapped cctxt >>=? fun (stream, _) ->
+         Monitor_services.bootstrapped cctxt >>=? fun (stream, _) ->
          Lwt_stream.iter_s
            (fun (hash, time) ->
-              cctxt#message "Current head: %a (%a)"
+              cctxt#message "Current head: %a (timestamp: %a, validation: %a)"
                 Block_hash.pp_short hash
-                Time.pp_hum time) stream >>= fun () ->
+                Time.pp_hum time
+                Time.pp_hum (Time.now ())) stream >>= fun () ->
          cctxt#answer "Bootstrapped." >>= fun () ->
          return ()
       )
diff --git a/src/lib_shell/injection_directory.ml b/src/lib_shell/injection_directory.ml
new file mode 100644
index 000000000..1d18bbc82
--- /dev/null
+++ b/src/lib_shell/injection_directory.ml
@@ -0,0 +1,84 @@
+(**************************************************************************)
+(*                                                                        *)
+(*    Copyright (c) 2014 - 2018.                                          *)
+(*    Dynamic Ledger Solutions, Inc. <contact@tezos.com>                  *)
+(*                                                                        *)
+(*    All rights reserved. No warranty, explicit or implicit, provided.   *)
+(*                                                                        *)
+(**************************************************************************)
+
+let read_chain_id validator chain =
+  let distributed_db = Validator.distributed_db validator in
+  let state = Distributed_db.state distributed_db in
+  begin
+    match chain with
+    | None -> Lwt.return_none
+    | Some chain ->
+        Chain_directory.get_chain_id state chain >>= Lwt.return_some
+  end
+
+let inject_block validator ?force ?chain bytes operations =
+  read_chain_id validator chain >>= fun chain_id ->
+  Validator.validate_block
+    validator ?force ?chain_id bytes operations >>=? fun (hash, block) ->
+  return (hash, (block >>=? fun _ -> return ()))
+
+let inject_operation validator ?chain bytes =
+  read_chain_id validator chain >>= fun chain_id ->
+  let t =
+    match Data_encoding.Binary.of_bytes Operation.encoding bytes with
+    | None -> failwith "Can't parse the operation"
+    | Some op ->
+        Validator.inject_operation validator ?chain_id op in
+  let hash = Operation_hash.hash_bytes [bytes] in
+  Lwt.return (hash, t)
+
+let inject_protocol state ?force:_ proto =
+  let proto_bytes =
+    Data_encoding.Binary.to_bytes_exn Protocol.encoding proto in
+  let hash = Protocol_hash.hash_bytes [proto_bytes] in
+  let validation =
+    Updater.compile hash proto >>= function
+    | false ->
+        failwith
+          "Compilation failed (%a)"
+          Protocol_hash.pp_short hash
+    | true ->
+        State.Protocol.store state proto >>= function
+        | None ->
+            failwith
+              "Previously registered protocol (%a)"
+              Protocol_hash.pp_short hash
+        | Some _ -> return ()
+  in
+  Lwt.return (hash, validation)
+
+let build_rpc_directory validator =
+
+  let distributed_db = Validator.distributed_db validator in
+  let state = Distributed_db.state distributed_db in
+
+  let dir : unit RPC_directory.t ref = ref RPC_directory.empty in
+  let register0 s f =
+    dir := RPC_directory.register !dir s (fun () p q -> f p q) in
+
+  register0 Injection_services.S.block begin fun q (raw, operations) ->
+    inject_block validator
+      ?chain:q#chain ~force:q#force raw operations >>=? fun (hash, wait) ->
+    (if q#async then return () else wait) >>=? fun () ->
+    return hash
+  end ;
+
+  register0 Injection_services.S.operation begin fun q contents ->
+    inject_operation validator ?chain:q#chain contents >>= fun (hash, wait) ->
+    (if q#async then return () else wait) >>=? fun () ->
+    return hash
+  end ;
+
+  register0 Injection_services.S.protocol begin fun q protocol ->
+    inject_protocol state ~force:q#force protocol >>= fun (hash, wait) ->
+    (if q#async then return () else wait) >>=? fun () ->
+    return hash
+  end ;
+
+  !dir
diff --git a/src/lib_shell/injection_directory.mli b/src/lib_shell/injection_directory.mli
new file mode 100644
index 000000000..73a48c55b
--- /dev/null
+++ b/src/lib_shell/injection_directory.mli
@@ -0,0 +1,10 @@
+(**************************************************************************)
+(*                                                                        *)
+(*    Copyright (c) 2014 - 2018.                                          *)
+(*    Dynamic Ledger Solutions, Inc. <contact@tezos.com>                  *)
+(*                                                                        *)
+(*    All rights reserved. No warranty, explicit or implicit, provided.   *)
+(*                                                                        *)
+(**************************************************************************)
+
+val build_rpc_directory: Validator.t -> unit RPC_directory.t
diff --git a/src/lib_shell/monitor_directory.ml b/src/lib_shell/monitor_directory.ml
index 03d9701e9..e2e4cbbac 100644
--- a/src/lib_shell/monitor_directory.ml
+++ b/src/lib_shell/monitor_directory.ml
@@ -7,7 +7,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-let build_rpc_directory validator =
+let build_rpc_directory validator mainchain_validator =
 
   let distributed_db = Validator.distributed_db validator in
   let state = Distributed_db.state distributed_db in
@@ -18,6 +18,30 @@ let build_rpc_directory validator =
   let gen_register1 s f =
     dir := RPC_directory.gen_register !dir s (fun ((), a) p q -> f a p q) in
 
+  gen_register0 Monitor_services.S.bootstrapped begin fun () () ->
+    let block_stream, stopper =
+      Chain_validator.new_head_watcher mainchain_validator in
+    let first_run = ref true in
+    let next () =
+      if !first_run then begin
+        first_run := false ;
+        let chain_state = Chain_validator.chain_state mainchain_validator in
+        Chain.head chain_state >>= fun head ->
+        let head_hash = State.Block.hash head in
+        let head_header = State.Block.header head in
+        Lwt.return (Some (head_hash, head_header.shell.timestamp))
+      end else begin
+        Lwt.pick [
+          ( Lwt_stream.get block_stream >|=
+            Option.map ~f:(fun b ->
+                (State.Block.hash b, (State.Block.header b).shell.timestamp)) ) ;
+          (Chain_validator.bootstrapped mainchain_validator >|= fun () -> None) ;
+        ]
+      end in
+    let shutdown () = Lwt_watcher.shutdown stopper in
+    RPC_answer.return_stream { next ; shutdown }
+  end ;
+
   gen_register0 Monitor_services.S.valid_blocks begin fun q () ->
     let block_stream, stopper = State.watcher state in
     let shutdown () = Lwt_watcher.shutdown stopper in
diff --git a/src/lib_shell/monitor_directory.mli b/src/lib_shell/monitor_directory.mli
index 73a48c55b..2b441a6f0 100644
--- a/src/lib_shell/monitor_directory.mli
+++ b/src/lib_shell/monitor_directory.mli
@@ -7,4 +7,5 @@
 (*                                                                        *)
 (**************************************************************************)
 
-val build_rpc_directory: Validator.t -> unit RPC_directory.t
+val build_rpc_directory:
+  Validator.t -> Chain_validator.t -> unit RPC_directory.t
diff --git a/src/lib_shell/node.ml b/src/lib_shell/node.ml
index cdd05ba6d..34a4998e5 100644
--- a/src/lib_shell/node.ml
+++ b/src/lib_shell/node.ml
@@ -139,9 +139,10 @@ let build_rpc_directory node =
     dir := RPC_directory.register !dir s (fun () p q -> f p q) in
 
   merge (Protocol_directory.build_rpc_directory node.state) ;
-  merge (Monitor_directory.build_rpc_directory node.validator) ;
-  merge (Shell_directory.build_rpc_directory
+  merge (Monitor_directory.build_rpc_directory
            node.validator node.mainchain_validator) ;
+  merge Shell_directory.rpc_directory ;
+  merge (Injection_directory.build_rpc_directory node.validator) ;
   merge (Chain_directory.build_rpc_directory node.validator) ;
   merge (P2p.build_rpc_directory node.p2p) ;
   merge Worker_directory.rpc_directory ;
diff --git a/src/lib_shell/shell_directory.ml b/src/lib_shell/shell_directory.ml
index 39661fed5..7801dfb7a 100644
--- a/src/lib_shell/shell_directory.ml
+++ b/src/lib_shell/shell_directory.ml
@@ -7,49 +7,9 @@
 (*                                                                        *)
 (**************************************************************************)
 
-let inject_block validator ?force ?chain_id bytes operations =
-  Validator.validate_block
-    validator ?force ?chain_id bytes operations >>=? fun (hash, block) ->
-  return (hash, (block >>=? fun _ -> return ()))
-
-let inject_operation validator ?chain_id bytes =
-  let t =
-    match Data_encoding.Binary.of_bytes Operation.encoding bytes with
-    | None -> failwith "Can't parse the operation"
-    | Some op ->
-        Validator.inject_operation validator ?chain_id op
-  in
-  let hash = Operation_hash.hash_bytes [bytes] in
-  Lwt.return (hash, t)
-
-let inject_protocol state ?force:_ proto =
-  let proto_bytes =
-    Data_encoding.Binary.to_bytes_exn Protocol.encoding proto in
-  let hash = Protocol_hash.hash_bytes [proto_bytes] in
-  let validation =
-    Updater.compile hash proto >>= function
-    | false ->
-        failwith
-          "Compilation failed (%a)"
-          Protocol_hash.pp_short hash
-    | true ->
-        State.Protocol.store state proto >>= function
-        | None ->
-            failwith
-              "Previously registered protocol (%a)"
-              Protocol_hash.pp_short hash
-        | Some _ -> return ()
-  in
-  Lwt.return (hash, validation)
-
-let build_rpc_directory validator mainchain_validator =
-
-  let distributed_db = Validator.distributed_db validator in
-  let state = Distributed_db.state distributed_db in
+let rpc_directory =
 
   let dir : unit RPC_directory.t ref = ref RPC_directory.empty in
-  let gen_register0 s f =
-    dir := RPC_directory.gen_register !dir s (fun () p q -> f p q) in
   let register0 s f =
     dir := RPC_directory.register !dir s (fun () p q -> f p q) in
 
@@ -57,49 +17,4 @@ let build_rpc_directory validator mainchain_validator =
     return (Data_encoding.Binary.to_bytes_exn Block_header.encoding header)
   end ;
 
-  register0 Shell_services.S.inject_block begin fun () p ->
-    let { Shell_services.S.raw ; blocking ; force ; operations } = p in
-    inject_block validator ~force raw operations >>=? fun (hash, wait) ->
-    (if blocking then wait else return ()) >>=? fun () ->
-    return hash
-  end ;
-
-  register0 Shell_services.S.inject_operation begin fun () p ->
-    let (contents, blocking, chain_id) = p in
-    inject_operation validator ?chain_id contents >>= fun (hash, wait) ->
-    (if blocking then wait else return ()) >>=? fun () ->
-    return hash
-  end ;
-
-  register0 Shell_services.S.inject_protocol begin fun () p ->
-    let (proto, blocking, force) = p in
-    inject_protocol state ?force proto >>= fun (hash, wait) ->
-    (if blocking then wait else return ()) >>=? fun () ->
-    return hash
-  end ;
-
-  gen_register0 Shell_services.S.bootstrapped begin fun () () ->
-    let block_stream, stopper =
-      Chain_validator.new_head_watcher mainchain_validator in
-    let first_run = ref true in
-    let next () =
-      if !first_run then begin
-        first_run := false ;
-        let chain_state = Chain_validator.chain_state mainchain_validator in
-        Chain.head chain_state >>= fun head ->
-        let head_hash = State.Block.hash head in
-        let head_header = State.Block.header head in
-        Lwt.return (Some (head_hash, head_header.shell.timestamp))
-      end else begin
-        Lwt.pick [
-          ( Lwt_stream.get block_stream >|=
-            Option.map ~f:(fun b ->
-                (State.Block.hash b, (State.Block.header b).shell.timestamp)) ) ;
-          (Chain_validator.bootstrapped mainchain_validator >|= fun () -> None) ;
-        ]
-      end in
-    let shutdown () = Lwt_watcher.shutdown stopper in
-    RPC_answer.return_stream { next ; shutdown }
-  end ;
-
   !dir
diff --git a/src/lib_shell/shell_directory.mli b/src/lib_shell/shell_directory.mli
index 2b441a6f0..c77d4e66c 100644
--- a/src/lib_shell/shell_directory.mli
+++ b/src/lib_shell/shell_directory.mli
@@ -7,5 +7,4 @@
 (*                                                                        *)
 (**************************************************************************)
 
-val build_rpc_directory:
-  Validator.t -> Chain_validator.t -> unit RPC_directory.t
+val rpc_directory: unit RPC_directory.t
diff --git a/src/lib_shell_services/injection_services.ml b/src/lib_shell_services/injection_services.ml
new file mode 100644
index 000000000..93280d1cd
--- /dev/null
+++ b/src/lib_shell_services/injection_services.ml
@@ -0,0 +1,122 @@
+(**************************************************************************)
+(*                                                                        *)
+(*    Copyright (c) 2014 - 2018.                                          *)
+(*    Dynamic Ledger Solutions, Inc. <contact@tezos.com>                  *)
+(*                                                                        *)
+(*    All rights reserved. No warranty, explicit or implicit, provided.   *)
+(*                                                                        *)
+(**************************************************************************)
+
+module S = struct
+
+  open Data_encoding
+
+  let path = RPC_path.(root / "injection")
+
+  let block_query =
+    let open RPC_query in
+    query (fun async force chain -> object
+            method async = async
+            method force = force
+            method chain = chain
+          end)
+    |+ flag "async" (fun t -> t#async)
+    |+ flag "force" (fun t -> t#force)
+    |+ opt_field "chain" Chain_services.chain_arg (fun t -> t#chain)
+    |> seal
+
+  let block_param =
+    obj2
+      (req "data" bytes)
+      (req "operations"
+         (list (dynamic_size (list (dynamic_size Operation.encoding)))))
+
+  let block =
+    RPC_service.post_service
+      ~description:
+        "Inject a block in the node and broadcast it. The `operations` \
+         embedded in `blockHeader` might be pre-validated using a \
+         contextual RPCs from the latest block \
+         (e.g. '/blocks/head/context/preapply'). Returns the ID of the \
+         block. By default, the RPC will wait for the block to be \
+         validated before answering."
+      ~query: block_query
+      ~input: block_param
+      ~output: Block_hash.encoding
+      RPC_path.(path / "block")
+
+  let operation_query =
+    let open RPC_query in
+    query (fun async chain -> object
+            method async = async
+            method chain = chain
+          end)
+    |+ flag "async" (fun t -> t#async)
+    |+ opt_field "chain" Chain_services.chain_arg (fun t -> t#chain)
+    |> seal
+
+  let operation =
+    RPC_service.post_service
+      ~description:
+        "Inject an operation in node and broadcast it. Returns the \
+         ID of the operation. The `signedOperationContents` should be \
+         constructed using a contextual RPCs from the latest block \
+         and signed by the client. By default, the RPC will wait for \
+         the operation to be (pre-)validated before answering. See \
+         RPCs under /blocks/prevalidation for more details on the \
+         prevalidation context."
+      ~query: operation_query
+      ~input: bytes
+      ~output: Operation_hash.encoding
+      RPC_path.(path / "operation")
+
+  let protocol_query =
+    let open RPC_query in
+    query (fun async force -> object
+            method async = async
+            method force = force
+          end)
+    |+ flag "async" (fun t -> t#async)
+    |+ flag "force" (fun t -> t#force)
+    |> seal
+
+
+  let protocol =
+    RPC_service.post_service
+      ~description:
+        "Inject a protocol in node. Returns the ID of the protocol."
+      ~query: protocol_query
+      ~input: Protocol.encoding
+      ~output: Protocol_hash.encoding
+      RPC_path.(path / "protocol")
+
+end
+
+open RPC_context
+
+let block ctxt
+    ?(async = false) ?(force = false) ?chain
+    raw operations =
+  make_call S.block ctxt ()
+    (object
+      method async = async
+      method force = force
+      method chain = chain
+    end)
+    (raw, operations)
+
+let operation ctxt ?(async = false) ?chain operation =
+  make_call S.operation ctxt ()
+    (object
+      method async = async
+      method chain = chain
+    end)
+    operation
+
+let protocol ctxt ?(async = false) ?(force = false) protocol =
+  make_call S.protocol ctxt ()
+    (object
+      method async = async
+      method force = force
+    end)
+    protocol
diff --git a/src/lib_shell_services/injection_services.mli b/src/lib_shell_services/injection_services.mli
new file mode 100644
index 000000000..65cd9aa94
--- /dev/null
+++ b/src/lib_shell_services/injection_services.mli
@@ -0,0 +1,56 @@
+(**************************************************************************)
+(*                                                                        *)
+(*    Copyright (c) 2014 - 2018.                                          *)
+(*    Dynamic Ledger Solutions, Inc. <contact@tezos.com>                  *)
+(*                                                                        *)
+(*    All rights reserved. No warranty, explicit or implicit, provided.   *)
+(*                                                                        *)
+(**************************************************************************)
+
+open RPC_context
+
+val block:
+  #simple ->
+  ?async:bool -> ?force:bool -> ?chain:Chain_services.chain ->
+  MBytes.t -> Operation.t list list ->
+  Block_hash.t tzresult Lwt.t
+(** [block cctxt ?async ?force raw_block] tries to inject
+    [raw_block] inside the node. If [?async] is [true], [raw_block]
+    will be validated before the result is returned. If [?force] is
+    true, the block will be injected even on non strictly increasing
+    fitness. *)
+
+val operation:
+  #simple ->
+  ?async:bool -> ?chain:Chain_services.chain ->
+  MBytes.t ->
+  Operation_hash.t tzresult Lwt.t
+
+val protocol:
+  #simple ->
+  ?async:bool -> ?force:bool ->
+  Protocol.t ->
+  Protocol_hash.t tzresult Lwt.t
+
+module S : sig
+
+  val block:
+    ([ `POST ], unit,
+     unit, < async: bool ;
+             force: bool ;
+             chain: Chain_services.chain option >, MBytes.t * Operation.t list list,
+     Block_hash.t) RPC_service.t
+
+  val operation:
+    ([ `POST ], unit,
+     unit, < async : bool;
+             chain : Chain_services.chain option >, MBytes.t,
+     Operation_hash.t) RPC_service.t
+
+  val protocol:
+    ([ `POST ], unit,
+     unit, < async : bool;
+             force : bool >, Protocol.t,
+     Protocol_hash.t) RPC_service.t
+
+end
diff --git a/src/lib_shell_services/monitor_services.ml b/src/lib_shell_services/monitor_services.ml
index 9d22a0484..7b425001c 100644
--- a/src/lib_shell_services/monitor_services.ml
+++ b/src/lib_shell_services/monitor_services.ml
@@ -10,8 +10,18 @@
 module S = struct
 
   open Data_encoding
+
   let path = RPC_path.(root / "monitor")
 
+  let bootstrapped =
+    RPC_service.get_service
+      ~description:""
+      ~query: RPC_query.empty
+      ~output: (obj2
+                  (req "block" Block_hash.encoding)
+                  (req "timestamp" Time.encoding))
+      RPC_path.(path / "bootstrapped")
+
   let valid_blocks_query =
     let open RPC_query in
     query (fun protocols next_protocols chains -> object
@@ -63,6 +73,9 @@ end
 
 open RPC_context
 
+let bootstrapped ctxt =
+  make_streamed_call S.bootstrapped ctxt () () ()
+
 let valid_blocks
     ctxt ?(chains = [`Main]) ?(protocols = []) ?(next_protocols = []) () =
   make_streamed_call S.valid_blocks ctxt () (object
diff --git a/src/lib_shell_services/monitor_services.mli b/src/lib_shell_services/monitor_services.mli
index d47ae8b15..8d65fca25 100644
--- a/src/lib_shell_services/monitor_services.mli
+++ b/src/lib_shell_services/monitor_services.mli
@@ -9,6 +9,9 @@
 
 open RPC_context
 
+val bootstrapped:
+  #streamed -> ((Block_hash.t * Time.t) Lwt_stream.t * stopper) tzresult Lwt.t
+
 val valid_blocks:
   #streamed ->
   ?chains:Chain_services.chain list ->
@@ -28,6 +31,11 @@ val protocols:
 
 module S : sig
 
+  val bootstrapped:
+    ([ `GET ], unit,
+     unit, unit, unit,
+     Block_hash.t * Time.t) RPC_service.t
+
   val valid_blocks:
     ([ `GET ], unit,
      unit, < chains : Chain_services.chain list;
diff --git a/src/lib_shell_services/shell_services.ml b/src/lib_shell_services/shell_services.ml
index ed151fe21..53f595fd0 100644
--- a/src/lib_shell_services/shell_services.ml
+++ b/src/lib_shell_services/shell_services.ml
@@ -19,131 +19,9 @@ module S = struct
       ~output: (obj1 (req "block" bytes))
       RPC_path.(root / "forge_block_header")
 
-  type inject_block_param = {
-    raw: MBytes.t ;
-    blocking: bool ;
-    force: bool ;
-    chain_id: Chain_id.t option ;
-    operations: Operation.t list list ;
-  }
-
-  let inject_block_param =
-    conv
-      (fun { raw ; blocking ; force ; chain_id ; operations } ->
-         (raw, blocking, force, chain_id, operations))
-      (fun (raw, blocking, force, chain_id, operations) ->
-         { raw ; blocking ; force ; chain_id ; operations })
-      (obj5
-         (req "data" bytes)
-         (dft "blocking"
-            ~description:
-              "Should the RPC wait for the block to be \
-               validated before answering. (default: true)"
-            bool
-            true)
-         (dft "force"
-            ~description:
-              "Should we inject the block when its fitness is below \
-               the current head. (default: false)"
-            bool
-            false)
-         (opt "chain_id" Chain_id.encoding)
-         (req "operations"
-            (list (list (dynamic_size Operation.encoding)))))
-
-  let inject_block =
-    RPC_service.post_service
-      ~description:
-        "Inject a block in the node and broadcast it. The `operations` \
-         embedded in `blockHeader` might be pre-validated using a \
-         contextual RPCs from the latest block \
-         (e.g. '/blocks/head/context/preapply'). Returns the ID of the \
-         block. By default, the RPC will wait for the block to be \
-         validated before answering."
-      ~query: RPC_query.empty
-      ~input: inject_block_param
-      ~output: (obj1 (req "block_hash" Block_hash.encoding))
-      RPC_path.(root / "inject_block")
-
-  let inject_operation =
-    RPC_service.post_service
-      ~description:
-        "Inject an operation in node and broadcast it. Returns the \
-         ID of the operation. The `signedOperationContents` should be \
-         constructed using a contextual RPCs from the latest block \
-         and signed by the client. By default, the RPC will wait for \
-         the operation to be (pre-)validated before answering. See \
-         RPCs under /blocks/prevalidation for more details on the \
-         prevalidation context."
-      ~query: RPC_query.empty
-      ~input:
-        (obj3
-           (req "signedOperationContents"
-              ~title: "Tezos signed operation (hex encoded)"
-              bytes)
-           (dft "blocking"
-              ~description:
-                "Should the RPC wait for the operation to be \
-                 (pre-)validated before answering. (default: true)"
-              bool
-              true)
-           (opt "chain_id" Chain_id.encoding))
-      ~output:
-        (obj1 (req "injectedOperation" Operation_hash.encoding))
-      RPC_path.(root / "inject_operation")
-
-  let inject_protocol =
-    RPC_service.post_service
-      ~description:
-        "Inject a protocol in node. Returns the ID of the protocol."
-      ~query: RPC_query.empty
-      ~input:
-        (obj3
-           (req "protocol" Protocol.encoding)
-           (dft "blocking"
-              ~description:
-                "Should the RPC wait for the protocol to be \
-                 validated before answering. (default: true)"
-              bool
-              true)
-           (opt "force"
-              ~description:
-                "Should we inject protocol that is invalid. (default: false)"
-              bool))
-      ~output:
-        (obj1 (req "injectedProtocol" Protocol_hash.encoding))
-      RPC_path.(root / "inject_protocol")
-
-  let bootstrapped =
-    RPC_service.post_service
-      ~description:""
-      ~query: RPC_query.empty
-      ~input: empty
-      ~output: (obj2
-                  (req "block" Block_hash.encoding)
-                  (req "timestamp" Time.encoding))
-      RPC_path.(root / "bootstrapped")
-
 end
 
 open RPC_context
 
 let forge_block_header ctxt header =
   make_call S.forge_block_header ctxt () () header
-
-let inject_block ctxt
-    ?(async = false) ?(force = false) ?chain_id
-    raw operations =
-  make_call S.inject_block ctxt () ()
-    { raw ; blocking = not async ; force ; chain_id ; operations }
-
-let inject_operation ctxt ?(async = false) ?chain_id operation =
-  make_call S.inject_operation ctxt () ()
-    (operation, not async, chain_id)
-
-let inject_protocol ctxt ?(async = false) ?force protocol =
-  make_call S.inject_protocol ctxt () ()
-    (protocol, not async, force)
-
-let bootstrapped ctxt =
-  make_streamed_call S.bootstrapped ctxt () () ()
diff --git a/src/lib_shell_services/shell_services.mli b/src/lib_shell_services/shell_services.mli
index e0d9ef87a..c287b2fdd 100644
--- a/src/lib_shell_services/shell_services.mli
+++ b/src/lib_shell_services/shell_services.mli
@@ -14,32 +14,6 @@ val forge_block_header:
   Block_header.t ->
   MBytes.t tzresult Lwt.t
 
-val inject_block:
-  #simple ->
-  ?async:bool -> ?force:bool -> ?chain_id:Chain_id.t ->
-  MBytes.t -> Operation.t list list ->
-  Block_hash.t tzresult Lwt.t
-(** [inject_block cctxt ?async ?force raw_block] tries to inject
-    [raw_block] inside the node. If [?async] is [true], [raw_block]
-    will be validated before the result is returned. If [?force] is
-    true, the block will be injected even on non strictly increasing
-    fitness. *)
-
-val inject_operation:
-  #simple ->
-  ?async:bool -> ?chain_id:Chain_id.t ->
-  MBytes.t ->
-  Operation_hash.t tzresult Lwt.t
-
-val inject_protocol:
-  #simple ->
-  ?async:bool -> ?force:bool ->
-  Protocol.t ->
-  Protocol_hash.t tzresult Lwt.t
-
-val bootstrapped:
-  #streamed -> ((Block_hash.t * Time.t) Lwt_stream.t * stopper) tzresult Lwt.t
-
 module S : sig
 
   val forge_block_header:
@@ -47,32 +21,4 @@ module S : sig
      unit, unit, Block_header.t,
      MBytes.t) RPC_service.t
 
-  type inject_block_param = {
-    raw: MBytes.t ;
-    blocking: bool ;
-    force: bool ;
-    chain_id: Chain_id.t option ;
-    operations: Operation.t list list ;
-  }
-
-  val inject_block:
-    ([ `POST ], unit,
-     unit, unit, inject_block_param,
-     Block_hash.t) RPC_service.t
-
-  val inject_operation:
-    ([ `POST ], unit,
-     unit, unit, (MBytes.t * bool * Chain_id.t option),
-     Operation_hash.t) RPC_service.t
-
-  val inject_protocol:
-    ([ `POST ], unit,
-     unit, unit, (Protocol.t * bool * bool option),
-     Protocol_hash.t) RPC_service.t
-
-  val bootstrapped:
-    ([ `POST ], unit,
-     unit, unit, unit,
-     Block_hash.t * Time.t) RPC_service.t
-
 end
diff --git a/src/proto_alpha/lib_baking/client_baking_endorsement.ml b/src/proto_alpha/lib_baking/client_baking_endorsement.ml
index 44bc880ce..82fa87bcc 100644
--- a/src/proto_alpha/lib_baking/client_baking_endorsement.ml
+++ b/src/proto_alpha/lib_baking/client_baking_endorsement.ml
@@ -95,7 +95,6 @@ let inject_endorsement
     (cctxt : #Proto_alpha.full)
     ?(chain = `Main) block level ?async
     src_sk slots =
-  Chain_services.chain_id cctxt ~chain () >>=? fun chain_id ->
   Block_services.hash cctxt ~chain ~block () >>=? fun hash ->
   Alpha_services.Forge.Consensus.endorsement cctxt
     (chain, block)
@@ -106,8 +105,7 @@ let inject_endorsement
     () >>=? fun bytes ->
   Client_keys.append
     src_sk ~watermark:Endorsement bytes >>=? fun signed_bytes ->
-  Shell_services.inject_operation
-    cctxt ?async ~chain_id signed_bytes >>=? fun oph ->
+  Injection_services.operation cctxt ?async ~chain signed_bytes >>=? fun oph ->
   iter_s
     (fun slot ->
        State.record_endorsement cctxt level hash slot oph)
diff --git a/src/proto_alpha/lib_baking/client_baking_forge.ml b/src/proto_alpha/lib_baking/client_baking_forge.ml
index 59b84aae7..dbf5c058a 100644
--- a/src/proto_alpha/lib_baking/client_baking_forge.ml
+++ b/src/proto_alpha/lib_baking/client_baking_forge.ml
@@ -71,9 +71,8 @@ let inject_block cctxt
   let block = `Hash (shell_header.Tezos_base.Block_header.predecessor, 0) in
   forge_block_header cctxt ~chain block
     src_sk shell_header priority seed_nonce_hash >>=? fun signed_header ->
-  Chain_services.chain_id cctxt ~chain () >>=? fun chain_id ->
-  Shell_services.inject_block cctxt
-    ?force ~chain_id signed_header operations >>=? fun block_hash ->
+  Injection_services.block cctxt
+    ?force ~chain signed_header operations >>=? fun block_hash ->
   return block_hash
 
 type error +=
diff --git a/src/proto_alpha/lib_baking/client_baking_revelation.ml b/src/proto_alpha/lib_baking/client_baking_revelation.ml
index 56978ee98..2e7d8fe94 100644
--- a/src/proto_alpha/lib_baking/client_baking_revelation.ml
+++ b/src/proto_alpha/lib_baking/client_baking_revelation.ml
@@ -15,12 +15,10 @@ let inject_seed_nonce_revelation rpc_config ?(chain = `Main) block ?async nonces
     List.map
       (fun (level, nonce) ->
          Seed_nonce_revelation { level ; nonce }) nonces in
-  Chain_services.chain_id rpc_config ~chain () >>=? fun chain_id ->
   Block_services.hash rpc_config ~chain ~block () >>=? fun branch ->
   Alpha_services.Forge.Anonymous.operations rpc_config
     (chain, block) ~branch operations >>=? fun bytes ->
-  Shell_services.inject_operation
-    rpc_config ?async ~chain_id bytes >>=? fun oph ->
+  Injection_services.operation rpc_config ?async ~chain bytes >>=? fun oph ->
   return oph
 
 let forge_seed_nonce_revelation
diff --git a/src/proto_alpha/lib_client/injection.ml b/src/proto_alpha/lib_client/injection.ml
index 4b7646ba2..60c12b639 100644
--- a/src/proto_alpha/lib_client/injection.ml
+++ b/src/proto_alpha/lib_client/injection.ml
@@ -176,8 +176,7 @@ let inject_operation
         Lwt.return res
   end >>=? fun () ->
   let bytes = Data_encoding.Binary.to_bytes_exn Operation.encoding op in
-  Chain_services.chain_id cctxt ~chain () >>=? fun chain_id ->
-  Shell_services.inject_operation cctxt ~chain_id bytes >>=? fun oph ->
+  Injection_services.operation cctxt ~chain bytes >>=? fun oph ->
   cctxt#message "Operation successfully injected in the node." >>= fun () ->
   cctxt#message "Operation hash is '%a'." Operation_hash.pp oph >>= fun () ->
   begin
diff --git a/src/proto_genesis/lib_client/client_proto_main.ml b/src/proto_genesis/lib_client/client_proto_main.ml
index 099a8dda9..4f2d209b8 100644
--- a/src/proto_genesis/lib_client/client_proto_main.ml
+++ b/src/proto_genesis/lib_client/client_proto_main.ml
@@ -20,7 +20,7 @@ let bake cctxt ?(timestamp = Time.now ()) block command sk =
     [] >>=? fun (shell_header, _) ->
   let blk = Data.Command.forge shell_header command in
   Client_keys.append sk blk >>=? fun signed_blk ->
-  Shell_services.inject_block cctxt signed_blk []
+  Injection_services.block cctxt signed_blk []
 
 let int64_parameter =
   (Clic.parameter (fun _ p ->