diff --git a/include/llvm/Support/TrailingObjects.h b/include/llvm/Support/TrailingObjects.h
index 2bd25ace4f5..e28b33dd4d7 100644
--- a/include/llvm/Support/TrailingObjects.h
+++ b/include/llvm/Support/TrailingObjects.h
@@ -293,10 +293,6 @@ public:
   // Make this (privately inherited) member public.
   using ParentType::OverloadToken;
 
-  /// Disable sized deallocation for all objects with trailing object storage;
-  /// the inferred size will typically not be correct.
-  void operator delete(void *P) { return ::operator delete(P); }
-
   /// Returns a pointer to the trailing object array of the given type
   /// (which must be one of those specified in the class template). The
   /// array may have zero or more elements in it.
diff --git a/lib/IR/AttributeImpl.h b/lib/IR/AttributeImpl.h
index e87f4f7e5c8..33250433988 100644
--- a/lib/IR/AttributeImpl.h
+++ b/lib/IR/AttributeImpl.h
@@ -171,7 +171,7 @@ class AttributeSetNode final
   void operator=(const AttributeSetNode &) = delete;
   AttributeSetNode(const AttributeSetNode &) = delete;
 public:
-  void operator delete(void *p) { TrailingObjects::operator delete(p); }
+  void operator delete(void *p) { ::operator delete(p); }
 
   static AttributeSetNode *get(LLVMContext &C, ArrayRef<Attribute> Attrs);
 
@@ -268,7 +268,7 @@ public:
     }
   }
 
-  void operator delete(void *p) { TrailingObjects::operator delete(p); }
+  void operator delete(void *p) { ::operator delete(p); }
 
   /// \brief Get the context that created this AttributeSetImpl.
   LLVMContext &getContext() { return Context; }
diff --git a/unittests/Support/TrailingObjectsTest.cpp b/unittests/Support/TrailingObjectsTest.cpp
index 282f402ec8e..a1d3e7b3c86 100644
--- a/unittests/Support/TrailingObjectsTest.cpp
+++ b/unittests/Support/TrailingObjectsTest.cpp
@@ -34,7 +34,7 @@ public:
     void *Mem = ::operator new(totalSizeToAlloc<short>(NumShorts));
     return new (Mem) Class1(ShortArray, NumShorts);
   }
-  void operator delete(void *p) { TrailingObjects::operator delete(p); }
+  void operator delete(void *p) { ::operator delete(p); }
 
   short get(unsigned Num) const { return getTrailingObjects<short>()[Num]; }
 
@@ -79,7 +79,7 @@ public:
       *C->getTrailingObjects<double>() = D;
     return C;
   }
-  void operator delete(void *p) { TrailingObjects::operator delete(p); }
+  void operator delete(void *p) { ::operator delete(p); }
 
   short getShort() const {
     if (!HasShort)