diff --git a/src/OpenFOAM/memory/tmp/tmp.H b/src/OpenFOAM/memory/tmp/tmp.H
index de9d05befd..c64fd8540c 100644
--- a/src/OpenFOAM/memory/tmp/tmp.H
+++ b/src/OpenFOAM/memory/tmp/tmp.H
@@ -140,12 +140,6 @@ public:
 
     // Member operators
 
-        #ifdef NON_CONST_TMP
-        //- Deprecated non-const dereference operator.
-        //  Use ref() where non-const access is required
-        inline T& operator()();
-        #endif
-
         //- Const dereference operator
         inline const T& operator()() const;
 
diff --git a/src/OpenFOAM/memory/tmp/tmpI.H b/src/OpenFOAM/memory/tmp/tmpI.H
index 48ff386b6e..42c1e5903d 100644
--- a/src/OpenFOAM/memory/tmp/tmpI.H
+++ b/src/OpenFOAM/memory/tmp/tmpI.H
@@ -247,27 +247,6 @@ inline void Foam::tmp<T>::clear() const
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-#ifdef NON_CONST_TMP
-template<class T>
-inline T& Foam::tmp<T>::operator()()
-{
-    if (isTmp())
-    {
-        if (!ptr_)
-        {
-            FatalErrorInFunction
-                << typeName() << " deallocated"
-                << abort(FatalError);
-        }
-    }
-
-    // Const-ness is automatically cast-away which is why this operator is
-    // deprecated.  Use ref() where non-const access is required.
-    return *ptr_;
-}
-#endif
-
-
 template<class T>
 inline const T& Foam::tmp<T>::operator()() const
 {