2 files changed, 0 insertions, 22 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 82c159e0532a..dfaa7b3e9ae9 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -237,10 +237,6 @@
 #define KASAN_ABI_VERSION 3
 #endif
 
-#if GCC_VERSION >= 50000
-#define CC_HAVE_BUILTIN_OVERFLOW
-#endif
-
 #endif	/* gcc version >= 40000 specific checks */
 
 #if !defined(__noclone)
diff --git a/include/linux/overflow-arith.h b/include/linux/overflow-arith.h
deleted file mode 100644
index e12ccf854a70..000000000000
--- a/include/linux/overflow-arith.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-
-#include <linux/kernel.h>
-
-#ifdef CC_HAVE_BUILTIN_OVERFLOW
-
-#define overflow_usub __builtin_usub_overflow
-
-#else
-
-static inline bool overflow_usub(unsigned int a, unsigned int b,
-				 unsigned int *res)
-{
-	*res = a - b;
-	return *res > a ? true : false;
-}
-
-#endif