diff --git a/openpower/package/occ/p9Patches/0001-Use-gnu89-as-C-std.patch b/openpower/package/occ/p9Patches/0001-Use-gnu89-as-C-std.patch
deleted file mode 100644
index 2f59d83..0000000
--- a/openpower/package/occ/p9Patches/0001-Use-gnu89-as-C-std.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 52c55ef2370b22d0f9b78e5d975b3c8b2b915d34 Mon Sep 17 00:00:00 2001
-From: Stewart Smith <stewart@linux.vnet.ibm.com>
-Date: Thu, 2 Mar 2017 17:13:22 +1100
-Subject: [PATCH] Use gnu89 as C std
-
-Change-Id: I1953f9762f6e3c0f1b8005977de69802f0e11934
-Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
----
- src/occBootLoader/img_defs.mk | 2 +-
- src/occ_405/img_defs.mk       | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/src/occBootLoader/img_defs.mk b/src/occBootLoader/img_defs.mk
-index a53d9db115b3..907c3d5ad353 100644
---- a/src/occBootLoader/img_defs.mk
-+++ b/src/occBootLoader/img_defs.mk
-@@ -226,7 +226,7 @@ PIPE-CFLAGS = -pipe -Wa,-m405
- GCC-CFLAGS += -g -Wall -fsigned-char -msoft-float  \
- 	-m32 -mbig-endian -mcpu=405 -mmultiple -mstring \
- 	-meabi -msdata=eabi -ffreestanding -fno-common \
--	-fno-inline-functions-called-once
-+	-fno-inline-functions-called-once -std=gnu89
- 
- CFLAGS      =  -c $(GCC-CFLAGS) $(PIPE-CFLAGS) $(GCC-O-LEVEL) $(INCLUDES)
- 
-diff --git a/src/occ_405/img_defs.mk b/src/occ_405/img_defs.mk
-index abdef45963e0..9e0f1b91596a 100644
---- a/src/occ_405/img_defs.mk
-+++ b/src/occ_405/img_defs.mk
-@@ -252,7 +252,7 @@ PIPE-CFLAGS = -pipe -Wa,-m405
- GCC-CFLAGS += -g -Wall -fsigned-char -msoft-float  \
- 	-m32 -mbig-endian -mcpu=405 -mmultiple -mstring \
- 	-meabi -msdata=eabi -ffreestanding -fno-common \
--	-fno-inline-functions-called-once
-+	-fno-inline-functions-called-once -std=gnu89
- 
- CFLAGS      =  -c $(GCC-CFLAGS) $(PIPE-CFLAGS) $(GCC-O-LEVEL) $(INCLUDES)
- 
--- 
-2.9.3
-