diff --git a/include/llvm/Support/Allocator.h b/include/llvm/Support/Allocator.h
index 148d47e785c..4a7251fa1ef 100644
--- a/include/llvm/Support/Allocator.h
+++ b/include/llvm/Support/Allocator.h
@@ -236,4 +236,6 @@ inline void *operator new(size_t Size, llvm::BumpPtrAllocator &Allocator) {
                                            offsetof(S, x)));
 }
 
+inline void operator delete(void *, llvm::BumpPtrAllocator &) {}
+
 #endif // LLVM_SUPPORT_ALLOCATOR_H
diff --git a/include/llvm/Support/RecyclingAllocator.h b/include/llvm/Support/RecyclingAllocator.h
index 49f77537188..34ab874778c 100644
--- a/include/llvm/Support/RecyclingAllocator.h
+++ b/include/llvm/Support/RecyclingAllocator.h
@@ -63,4 +63,11 @@ inline void *operator new(size_t,
   return Allocator.Allocate();
 }
 
+template<class AllocatorType, class T, size_t Size, size_t Align>
+inline void operator delete(void *E,
+                            llvm::RecyclingAllocator<AllocatorType,
+                                                     T, Size, Align> &A) {
+  A.Deallocate(E);
+}
+
 #endif