--- a/src/backend/libpq/be-secure-openssl.c
+++ b/src/backend/libpq/be-secure-openssl.c
@@ -973,61 +973,11 @@
 static DH  *
 load_dh_file(char *filename, bool isServerStart)
 {
-	FILE	   *fp;
-	DH		   *dh = NULL;
-	int			codes;
-
-	/* attempt to open file.  It's not an error if it doesn't exist. */
-	if ((fp = AllocateFile(filename, "r")) == NULL)
-	{
-		ereport(isServerStart ? FATAL : LOG,
-				(errcode_for_file_access(),
-				 errmsg("could not open DH parameters file \"%s\": %m",
-						filename)));
-		return NULL;
-	}
-
-	dh = PEM_read_DHparams(fp, NULL, NULL, NULL);
-	FreeFile(fp);
-
-	if (dh == NULL)
-	{
 		ereport(isServerStart ? FATAL : LOG,
 				(errcode(ERRCODE_CONFIG_FILE_ERROR),
 				 errmsg("could not load DH parameters file: %s",
 						SSLerrmessage(ERR_get_error()))));
 		return NULL;
-	}
-
-	/* make sure the DH parameters are usable */
-	if (DH_check(dh, &codes) == 0)
-	{
-		ereport(isServerStart ? FATAL : LOG,
-				(errcode(ERRCODE_CONFIG_FILE_ERROR),
-				 errmsg("invalid DH parameters: %s",
-						SSLerrmessage(ERR_get_error()))));
-		DH_free(dh);
-		return NULL;
-	}
-	if (codes & DH_CHECK_P_NOT_PRIME)
-	{
-		ereport(isServerStart ? FATAL : LOG,
-				(errcode(ERRCODE_CONFIG_FILE_ERROR),
-				 errmsg("invalid DH parameters: p is not prime")));
-		DH_free(dh);
-		return NULL;
-	}
-	if ((codes & DH_NOT_SUITABLE_GENERATOR) &&
-		(codes & DH_CHECK_P_NOT_SAFE_PRIME))
-	{
-		ereport(isServerStart ? FATAL : LOG,
-				(errcode(ERRCODE_CONFIG_FILE_ERROR),
-				 errmsg("invalid DH parameters: neither suitable generator or safe prime")));
-		DH_free(dh);
-		return NULL;
-	}
-
-	return dh;
 }
 
 /*