diff --git a/Sources/llvmshims/include/shim.h b/Sources/llvmshims/include/shim.h
index 4c60936b..30b5648e 100644
--- a/Sources/llvmshims/include/shim.h
+++ b/Sources/llvmshims/include/shim.h
@@ -23,10 +23,6 @@ uint64_t LLVMGlobalGetGUID(LLVMValueRef Global);
 
 void LLVMAddGlobalsAAWrapperPass(LLVMPassManagerRef PM);
 
-void LLVMAddInternalizePassWithMustPreservePredicate(
-  LLVMPassManagerRef PM, void *Context,
-  LLVMBool (*MustPreserve)(LLVMValueRef, void *));
-
 typedef enum {
   LLVMTailCallKindNone,
   LLVMTailCallKindTail,
diff --git a/Sources/llvmshims/src/shim.cpp b/Sources/llvmshims/src/shim.cpp
index 574e9bb5..766d7b7e 100644
--- a/Sources/llvmshims/src/shim.cpp
+++ b/Sources/llvmshims/src/shim.cpp
@@ -41,11 +41,6 @@ extern "C" {
   // https://reviews.llvm.org/D66237
   void LLVMAddGlobalsAAWrapperPass(LLVMPassManagerRef PM);
 
-  // https://reviews.llvm.org/D62456
-  void LLVMAddInternalizePassWithMustPreservePredicate(
-   LLVMPassManagerRef PM, void *Context,
-   LLVMBool (*MustPreserve)(LLVMValueRef, void *));
-
   // https://reviews.llvm.org/D66061
   typedef enum {
     LLVMTailCallKindNone,
@@ -85,14 +80,6 @@ uint64_t LLVMGlobalGetGUID(LLVMValueRef Glob) {
   return unwrap<GlobalValue>(Glob)->getGUID();
 }
 
-void LLVMAddInternalizePassWithMustPreservePredicate(
-  LLVMPassManagerRef PM, void *Context,
-  LLVMBool (*Pred)(LLVMValueRef, void *)) {
-  unwrap(PM)->add(createInternalizePass([=](const GlobalValue &GV) {
-    return Pred(wrap(&GV), Context) == 0 ? false : true;
-  }));
-}
-
 void LLVMAddGlobalsAAWrapperPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createGlobalsAAWrapperPass());
 }