diff --git a/src/Makefile b/src/Makefile
index 6ea187181..5b2770777 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -190,11 +190,11 @@ partial-clean::
 	-rm -f proto/*.cm* proto/*.a
 
 node.top: DEVFLAGS=
-node.top: ${MINUTILS_LIB_IMPLS} ${UTILS_LIB_IMPLS} ${COMPILER_LIB_IMPLS} ${FULL_NODE_LIB_IMPLS}
+node.top: ${MINUTILS_LIB_IMPLS} ${UTILS_LIB_IMPLS} ${COMPILER_LIB_IMPLS} ${NODE_LIB_IMPLS}
 	( $(patsubst %, echo "#require \"%\";;" ; ,${NODE_PACKAGES}) ) > .ocamlinit.node
 	( $(patsubst %, echo "#mod_use \"%\";;" ; ,${MINUTILS_LIB_IMPLS} ${UTILS_LIB_IMPLS}) ) >> .ocamlinit.node
 	( $(patsubst %, echo "open %;;" ; ,${NODE_OPENED_MODULES}) ) >> .ocamlinit.node
-	( $(patsubst %, echo "#mod_use \"%\";;" ; ,${COMPILER_LIB_IMPLS} ${FULL_NODE_LIB_IMPLS}) ) >> .ocamlinit.node
+	( $(patsubst %, echo "#mod_use \"%\";;" ; ,${COMPILER_LIB_IMPLS} ${NODE_LIB_IMPLS}) ) >> .ocamlinit.node
 	utop -I +compiler-libs ocamlcommon.cma -init .ocamlinit.node ${UTOPFLAGS}
 ## HACK: the explicit loading of `ocamlcommon.cma` is here to
 ## circumvent a bug in utop. https://github.com/diml/utop/issues/213
diff --git a/src/Makefile.files b/src/Makefile.files
index 339ca4763..ef88f56c0 100644
--- a/src/Makefile.files
+++ b/src/Makefile.files
@@ -219,9 +219,7 @@ NODE_LIB_INTFS := \
   node/db/persist.mli \
   node/db/context.mli \
   \
-  node/db/store_sigs.mli \
   node/db/raw_store.mli \
-  node/db/store_sigs.mli \
   node/db/store_helpers.mli \
   node/db/store.mli \
   \
@@ -243,8 +241,7 @@ NODE_LIB_INTFS := \
   node/shell/node.mli \
   node/shell/node_rpc.mli \
 
-# this includes single .mli for `node.top`
-FULL_NODE_LIB_IMPLS := \
+NODE_LIB_IMPLS := \
   \
   compiler/node_compiler_main.ml \
   \
@@ -264,7 +261,7 @@ FULL_NODE_LIB_IMPLS := \
   node/db/context.ml \
   \
   node/db/raw_store.ml \
-  node/db/store_sigs.mli \
+  node/db/store_sigs.ml \
   node/db/store_helpers.ml \
   node/db/store.ml \
   \
@@ -287,9 +284,6 @@ FULL_NODE_LIB_IMPLS := \
   node/shell/node.ml \
   node/shell/node_rpc.ml \
 
-# this only includes .ml
-NODE_LIB_IMPLS := $(filter-out ${NODE_LIB_INTFS}, ${FULL_NODE_LIB_IMPLS})
-
 NODE_INTFS := \
   node/main/node_identity_file.mli \
   node/main/node_config_file.mli \
diff --git a/src/node/db/store_sigs.mli b/src/node/db/store_sigs.ml
similarity index 100%
rename from src/node/db/store_sigs.mli
rename to src/node/db/store_sigs.ml