diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index 69c74462cc4..77e442b581d 100644
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -287,14 +287,6 @@
 /// which causes the program to exit abnormally.
 #if __has_builtin(__builtin_trap) || LLVM_GNUC_PREREQ(4, 3, 0)
 # define LLVM_BUILTIN_TRAP __builtin_trap()
-#elif defined(LLVM_ON_WIN32)
-extern "C" __declspec(dllimport) void __stdcall RaiseException(
-    unsigned long, unsigned long, unsigned long, const unsigned long *);
-#define LLVM_BUILTIN_TRAP                                                      \
-  do {                                                                         \
-    ::RaiseException(0xDEADD0D0, 0x1 /*EXCEPTION_NONCONTINUABLE*/, 0, nullptr);\
-    __assume(false);                                                           \
-  } while (0)
 #else
 # define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0
 #endif