4 files changed, 5 insertions, 27 deletions
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index 76bd81e9bf2..9d99816eae9 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -552,9 +552,6 @@
 /* Define to 1 if you have the `strnlen' function. */
 #undef HAVE_STRNLEN
 
-/* Define to use have a strong random number source */
-#undef HAVE_STRONG_RANDOM
-
 /* Define to 1 if you have the `strsignal' function. */
 #undef HAVE_STRSIGNAL
 
diff --git a/src/include/pg_config.h.win32 b/src/include/pg_config.h.win32
index de0c4d9997b..1a89a8c24e2 100644
--- a/src/include/pg_config.h.win32
+++ b/src/include/pg_config.h.win32
@@ -412,9 +412,6 @@
 /* Define to 1 if you have the <string.h> header file. */
 #define HAVE_STRING_H 1
 
-/* Define to use have a strong random number source */
-#define HAVE_STRONG_RANDOM 1
-
 /* Define to 1 if you have the `strsignal' function. */
 /* #undef HAVE_STRSIGNAL */
 
diff --git a/src/include/port.h b/src/include/port.h
index 570a9052a28..ebf9d55979d 100644
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -498,9 +498,12 @@ extern char *inet_net_ntop(int af, const void *src, int bits,
 			  char *dst, size_t size);
 
 /* port/pg_strong_random.c */
-#ifdef HAVE_STRONG_RANDOM
 extern bool pg_strong_random(void *buf, size_t len);
-#endif
+/*
+ * pg_backend_random used to be a wrapper for pg_strong_random before
+ * Postgres 12 for the backend code.
+ */
+#define pg_backend_random pg_strong_random
 
 /* port/pgcheckdir.c */
 extern int	pg_check_dir(const char *dir);
diff --git a/src/include/utils/backend_random.h b/src/include/utils/backend_random.h
deleted file mode 100644
index 99ea2cb9fb5..00000000000
--- a/src/include/utils/backend_random.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * backend_random.h
- *		Declarations for backend random number generation
- *
- * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
- *
- *	  src/include/utils/backend_random.h
- *
- *-------------------------------------------------------------------------
- */
-#ifndef BACKEND_RANDOM_H
-#define BACKEND_RANDOM_H
-
-extern Size BackendRandomShmemSize(void);
-extern void BackendRandomShmemInit(void);
-extern bool pg_backend_random(char *dst, int len);
-
-#endif							/* BACKEND_RANDOM_H */