diff --git a/clang/include/clang/AST/ExternalASTMerger.h b/clang/include/clang/AST/ExternalASTMerger.h
index 92d7b39c48d2..51d0c30ad23b 100644
--- a/clang/include/clang/AST/ExternalASTMerger.h
+++ b/clang/include/clang/AST/ExternalASTMerger.h
@@ -44,10 +44,6 @@ public:
   FindExternalLexicalDecls(const DeclContext *DC,
                            llvm::function_ref<bool(Decl::Kind)> IsKindWeWant,
                            SmallVectorImpl<Decl *> &Result) override;
-
-   using ExternalASTSource::CompleteType;
-
-   void CompleteType(TagDecl *Tag) override;
 };
 
 } // end namespace clang
diff --git a/clang/lib/AST/ExternalASTMerger.cpp b/clang/lib/AST/ExternalASTMerger.cpp
index b746edaf6439..4f4a99794c5b 100644
--- a/clang/lib/AST/ExternalASTMerger.cpp
+++ b/clang/lib/AST/ExternalASTMerger.cpp
@@ -180,8 +180,3 @@ void ExternalASTMerger::FindExternalLexicalDecls(
       });
 }
 
-void ExternalASTMerger::CompleteType(TagDecl *Tag) {
-  SmallVector<Decl *, 0> Result;
-  FindExternalLexicalDecls(Tag, [](Decl::Kind) { return true; }, Result);
-  Tag->setHasExternalLexicalStorage(false);
-}
diff --git a/clang/test/Import/direct/Inputs/S.c b/clang/test/Import/direct/Inputs/S.c
new file mode 100644
index 000000000000..b0876d27df44
--- /dev/null
+++ b/clang/test/Import/direct/Inputs/S.c
@@ -0,0 +1,3 @@
+struct S {
+  int a;
+};
diff --git a/clang/test/Import/direct/test.c b/clang/test/Import/direct/test.c
new file mode 100644
index 000000000000..5fac24c015dc
--- /dev/null
+++ b/clang/test/Import/direct/test.c
@@ -0,0 +1,5 @@
+// RUN: clang-import-test -direct -import %S/Inputs/S.c -expression %s
+void expr() {
+  struct S MyS;
+  MyS.a = 3;
+}