diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index f33c2463a7..a4e949c636 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -122,11 +122,6 @@ static SimpleOidList tabledata_exclude_oids = {NULL, NULL};
 static SimpleStringList foreign_servers_include_patterns = {NULL, NULL};
 static SimpleOidList foreign_servers_include_oids = {NULL, NULL};
 
-
-/* placeholders for the delimiters for comments */
-char		g_comment_start[10];
-char		g_comment_end[10];
-
 static const CatalogId nilCatalogId = {0, 0};
 
 /* override for standard extra_float_digits setting */
@@ -405,9 +400,6 @@ main(int argc, char **argv)
 	 */
 	init_parallel_dump_utils();
 
-	strcpy(g_comment_start, "-- ");
-	g_comment_end[0] = '\0';
-
 	progname = get_progname(argv[0]);
 
 	if (argc > 1)
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 5f70400b25..0c2fcfb3a9 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -639,10 +639,6 @@ typedef struct _extensionMemberId
 	ExtensionInfo *ext;			/* owning extension */
 } ExtensionMemberId;
 
-/* placeholders for comment starting and ending delimiters */
-extern char g_comment_start[10];
-extern char g_comment_end[10];
-
 /*
  *	common utility functions
  */