diff --git a/lib/compiler-rt/builtins/int_lib.h b/lib/compiler-rt/builtins/int_lib.h
index eb5503f98..57dfc413c 100644
--- a/lib/compiler-rt/builtins/int_lib.h
+++ b/lib/compiler-rt/builtins/int_lib.h
@@ -70,9 +70,6 @@
 /* Include the commonly used internal type definitions. */
 #include "int_types.h"
 
-/* Include internal utility function declarations. */
-#include "int_util.h"
-
 COMPILER_RT_ABI si_int __paritysi2(si_int a);
 COMPILER_RT_ABI si_int __paritydi2(di_int a);
 
diff --git a/lib/compiler-rt/builtins/int_util.c b/lib/compiler-rt/builtins/int_util.c
deleted file mode 100644
index 420d1e237..000000000
--- a/lib/compiler-rt/builtins/int_util.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* ===-- int_util.c - Implement internal utilities --------------------------===
- *
- *                     The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- */
-
-#include "int_lib.h"
-#include "int_util.h"
-
-/* NOTE: The definitions in this file are declared weak because we clients to be
- * able to arbitrarily package individual functions into separate .a files. If
- * we did not declare these weak, some link situations might end up seeing
- * duplicate strong definitions of the same symbol.
- *
- * We can't use this solution for kernel use (which may not support weak), but
- * currently expect that when built for kernel use all the functionality is
- * packaged into a single library.
- */
-
-#ifdef KERNEL_USE
-
-NORETURN extern void panic(const char *, ...);
-#ifndef _WIN32
-__attribute__((visibility("hidden")))
-#endif
-void compilerrt_abort_impl(const char *file, int line, const char *function) {
-  panic("%s:%d: abort in %s", file, line, function);
-}
-
-#elif __APPLE__
-
-/* from libSystem.dylib */
-NORETURN extern void __assert_rtn(const char *func, const char *file, int line,
-                                  const char *message);
-
-#ifndef _WIN32
-__attribute__((weak))
-__attribute__((visibility("hidden")))
-#endif
-void compilerrt_abort_impl(const char *file, int line, const char *function) {
-  __assert_rtn(function, file, line, "libcompiler_rt abort");
-}
-
-#else
-
-/* Get the system definition of abort() */
-#include <stdlib.h>
-
-#ifndef _WIN32
-__attribute__((weak))
-__attribute__((visibility("hidden")))
-#endif
-void compilerrt_abort_impl(const char *file, int line, const char *function) {
-  abort();
-}
-
-#endif
diff --git a/lib/compiler-rt/builtins/int_util.h b/lib/compiler-rt/builtins/int_util.h
deleted file mode 100644
index a7b20ed66..000000000
--- a/lib/compiler-rt/builtins/int_util.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* ===-- int_util.h - internal utility functions ----------------------------===
- *
- *                     The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===-----------------------------------------------------------------------===
- *
- * This file is not part of the interface of this library.
- *
- * This file defines non-inline utilities which are available for use in the
- * library. The function definitions themselves are all contained in int_util.c
- * which will always be compiled into any compiler-rt library.
- *
- * ===-----------------------------------------------------------------------===
- */
-
-#ifndef INT_UTIL_H
-#define INT_UTIL_H
-
-/** \brief Trigger a program abort (or panic for kernel code). */
-#define compilerrt_abort() compilerrt_abort_impl(__FILE__, __LINE__, __func__)
-
-NORETURN void compilerrt_abort_impl(const char *file, int line,
-                                    const char *function);
-
-#define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__)
-#define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt)
-#define COMPILE_TIME_ASSERT2(expr, cnt)                                        \
-  typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED
-
-#endif /* INT_UTIL_H */