diff --git a/llvm/include/llvm/Support/AMDHSAKernelDescriptor.h b/llvm/include/llvm/Support/AMDHSAKernelDescriptor.h
index 418d2b36114c5..3f966acdf12af 100644
--- a/llvm/include/llvm/Support/AMDHSAKernelDescriptor.h
+++ b/llvm/include/llvm/Support/AMDHSAKernelDescriptor.h
@@ -25,11 +25,6 @@
 #include <cstddef>
 #include <cstdint>
 
-// Gets offset of specified member in specified type.
-#ifndef offsetof
-#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE*)0)->MEMBER)
-#endif // offsetof
-
 // Creates enumeration entries used for packing bits into integers. Enumeration
 // entries include bit shift amount, bit width, and bit mask.
 #ifndef AMDHSA_BITS_ENUM_ENTRY