diff --git a/src/pl/plperl/plperl.c b/src/pl/plperl/plperl.c
index f691f0d49fd7e6e21d72499ed46b43d961e6cce9..49b5a9f1d6593e5e0d112b877a25df5b5e1b4f29 100644
--- a/src/pl/plperl/plperl.c
+++ b/src/pl/plperl/plperl.c
@@ -48,7 +48,6 @@
 #include "executor/spi.h"
 #include "commands/trigger.h"
 #include "utils/elog.h"
-#include "utils/builtins.h"
 #include "fmgr.h"
 #include "access/heapam.h"
 
@@ -354,7 +353,7 @@ extern void boot_DynaLoader _((CV* cv));
 extern void boot_Opcode _((CV* cv));
 extern void boot_SPI _((CV* cv));
 
-extern void
+static void
 plperl_init_shared_libs(void)
 {
 	char *file = __FILE__;