diff --git a/clang-tools-extra/clang-tidy/readability/MakeMemberFunctionConstCheck.cpp b/clang-tools-extra/clang-tidy/readability/MakeMemberFunctionConstCheck.cpp
index aca8d0f..3f1dcfe 100644
--- a/clang-tools-extra/clang-tidy/readability/MakeMemberFunctionConstCheck.cpp
+++ b/clang-tools-extra/clang-tidy/readability/MakeMemberFunctionConstCheck.cpp
@@ -8,6 +8,7 @@
 
 #include "MakeMemberFunctionConstCheck.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/AST/ParentMapContext.h"
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 
@@ -57,7 +58,7 @@
   UsageKind Usage = Unused;
 
   template <class T> const T *getParent(const Expr *E) {
-    ASTContext::DynTypedNodeList Parents = Ctxt.getParents(*E);
+    DynTypedNodeList Parents = Ctxt.getParents(*E);
     if (Parents.size() != 1)
       return nullptr;