diff --git a/src/boot/efi/shim.c b/src/boot/efi/shim.c
index 9ec54796ec..9e072d294f 100644
--- a/src/boot/efi/shim.c
+++ b/src/boot/efi/shim.c
@@ -14,9 +14,6 @@
 #include "util.h"
 #include "shim.h"
 
-/* well known shim lock guid */
-#define SHIM_LOCK_GUID
-
 struct ShimLock {
         EFI_STATUS __attribute__((sysv_abi)) (*shim_verify) (VOID *buffer, UINT32 size);