diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index 828e1b0015..2a8ecbd830 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -1711,7 +1711,7 @@ ExecSetupTransitionCaptureState(ModifyTableState *mtstate, EState *estate)
  * 1. For update-tuple-routing.
  * 2. For capturing tuples in transition tables.
  */
-void
+static void
 ExecSetupChildParentMapForSubplan(ModifyTableState *mtstate)
 {
 	ResultRelInfo *targetRelInfo = getTargetResultRelInfo(mtstate);
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index c34d990729..d047e4a49b 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -16431,7 +16431,7 @@ dumpIndex(Archive *fout, IndxInfo *indxinfo)
  * dumpIndexAttach
  *	  write out to fout a partitioned-index attachment clause
  */
-void
+static void
 dumpIndexAttach(Archive *fout, IndexAttachInfo *attachinfo)
 {
 	if (fout->dopt->dataOnly)