diff --git a/src/backend/commands/copyfromparse.c b/src/backend/commands/copyfromparse.c
index 2eb08a260ca..b7a37bcdbdf 100644
--- a/src/backend/commands/copyfromparse.c
+++ b/src/backend/commands/copyfromparse.c
@@ -114,8 +114,8 @@ static Datum CopyReadBinaryAttribute(CopyFromState cstate, FmgrInfo *flinfo,
 /* Low-level communications functions */
 static int	CopyGetData(CopyFromState cstate, void *databuf,
 						int minread, int maxread);
-static bool CopyGetInt32(CopyFromState cstate, int32 *val);
-static bool CopyGetInt16(CopyFromState cstate, int16 *val);
+static inline bool CopyGetInt32(CopyFromState cstate, int32 *val);
+static inline bool CopyGetInt16(CopyFromState cstate, int16 *val);
 static bool CopyLoadRawBuf(CopyFromState cstate);
 static int	CopyReadBinaryData(CopyFromState cstate, char *dest, int nbytes);