4 files changed, 0 insertions, 9 deletions
diff --git a/src/pl/plperl/plperl.c b/src/pl/plperl/plperl.c
index edb93ec1c4c..af354a68ccd 100644
--- a/src/pl/plperl/plperl.c
+++ b/src/pl/plperl/plperl.c
@@ -245,7 +245,6 @@ static plperl_call_data *current_call_data = NULL;
 /**********************************************************************
  * Forward declarations
  **********************************************************************/
-void		_PG_init(void);
 
 static PerlInterpreter *plperl_init_interp(void);
 static void plperl_destroy_interp(PerlInterpreter **);
diff --git a/src/pl/plpgsql/src/plpgsql.h b/src/pl/plpgsql/src/plpgsql.h
index 4e6ee1c6198..19141602729 100644
--- a/src/pl/plpgsql/src/plpgsql.h
+++ b/src/pl/plpgsql/src/plpgsql.h
@@ -1265,11 +1265,6 @@ extern int	plpgsql_add_initdatums(int **varnos);
 extern void plpgsql_HashTableInit(void);
 
 /*
- * Functions in pl_handler.c
- */
-extern void _PG_init(void);
-
-/*
  * Functions in pl_exec.c
  */
 extern Datum plpgsql_exec_function(PLpgSQL_function *func,
diff --git a/src/pl/plpython/plpy_main.c b/src/pl/plpython/plpy_main.c
index 0bce1064951..a4d66f3057f 100644
--- a/src/pl/plpython/plpy_main.c
+++ b/src/pl/plpython/plpy_main.c
@@ -28,8 +28,6 @@
  * exported functions
  */
 
-extern void _PG_init(void);
-
 PG_MODULE_MAGIC;
 
 PG_FUNCTION_INFO_V1(plpython3_validator);
diff --git a/src/pl/tcl/pltcl.c b/src/pl/tcl/pltcl.c
index 0dd6d8ab2c2..eaa98d42c2e 100644
--- a/src/pl/tcl/pltcl.c
+++ b/src/pl/tcl/pltcl.c
@@ -261,7 +261,6 @@ static const TclExceptionNameMap exception_name_map[] = {
 /**********************************************************************
  * Forward declarations
  **********************************************************************/
-void		_PG_init(void);
 
 static void pltcl_init_interp(pltcl_interp_desc *interp_desc,
 							  Oid prolang, bool pltrusted);