diff --git a/clang/tools/libclang/CXIndexDataConsumer.cpp b/clang/tools/libclang/CXIndexDataConsumer.cpp
index d5de7df707ba..2cd7e0c8d22b 100644
--- a/clang/tools/libclang/CXIndexDataConsumer.cpp
+++ b/clang/tools/libclang/CXIndexDataConsumer.cpp
@@ -633,12 +633,6 @@ bool CXIndexDataConsumer::handleField(const FieldDecl *D) {
   return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
 }
 
-bool CXIndexDataConsumer::handleMSProperty(const MSPropertyDecl *D) {
-  DeclInfo DInfo(/*isRedeclaration=*/false, /*isDefinition=*/true,
-                 /*isContainer=*/false);
-  return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
-}
-
 bool CXIndexDataConsumer::handleEnumerator(const EnumConstantDecl *D) {
   DeclInfo DInfo(/*isRedeclaration=*/false, /*isDefinition=*/true,
                  /*isContainer=*/false);
@@ -888,20 +882,6 @@ bool CXIndexDataConsumer::handleTypeAliasTemplate(const TypeAliasTemplateDecl *D
   return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
 }
 
-bool CXIndexDataConsumer::handleReference(const NamedDecl *D, SourceLocation Loc,
-                                      const NamedDecl *Parent,
-                                      const DeclContext *DC,
-                                      const Expr *E,
-                                      CXIdxEntityRefKind Kind,
-                                      CXSymbolRole Role) {
-  if (!D || !DC)
-    return false;
-
-  CXCursor Cursor = E ? MakeCXCursor(E, cast<Decl>(DC), CXTU)
-                      : getRefCursor(D, Loc);
-  return handleReference(D, Loc, Cursor, Parent, DC, E, Kind, Role);
-}
-
 bool CXIndexDataConsumer::handleReference(const NamedDecl *D, SourceLocation Loc,
                                       CXCursor Cursor,
                                       const NamedDecl *Parent,
diff --git a/clang/tools/libclang/CXIndexDataConsumer.h b/clang/tools/libclang/CXIndexDataConsumer.h
index 864d870a9067..42165c4e3460 100644
--- a/clang/tools/libclang/CXIndexDataConsumer.h
+++ b/clang/tools/libclang/CXIndexDataConsumer.h
@@ -372,25 +372,6 @@ public:
 
   void startedTranslationUnit();
 
-  void indexDecl(const Decl *D);
-
-  void indexTagDecl(const TagDecl *D);
-
-  void indexTypeSourceInfo(TypeSourceInfo *TInfo, const NamedDecl *Parent,
-                           const DeclContext *DC = nullptr);
-
-  void indexTypeLoc(TypeLoc TL, const NamedDecl *Parent,
-                    const DeclContext *DC = nullptr);
-
-  void indexNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS,
-                                   const NamedDecl *Parent,
-                                   const DeclContext *DC = nullptr);
-
-  void indexDeclContext(const DeclContext *DC);
-  
-  void indexBody(const Stmt *S, const NamedDecl *Parent,
-                 const DeclContext *DC = nullptr);
-
   void indexDiagnostics();
 
   void handleDiagnosticSet(CXDiagnosticSet CXDiagSet);
@@ -401,8 +382,6 @@ public:
 
   bool handleField(const FieldDecl *D);
 
-  bool handleMSProperty(const MSPropertyDecl *D);
-
   bool handleEnumerator(const EnumConstantDecl *D);
 
   bool handleTagDecl(const TagDecl *D);
@@ -438,18 +417,8 @@ public:
                        CXIdxEntityRefKind Kind = CXIdxEntityRef_Direct,
                        CXSymbolRole Role = CXSymbolRole_None);
 
-  bool handleReference(const NamedDecl *D, SourceLocation Loc,
-                       const NamedDecl *Parent,
-                       const DeclContext *DC,
-                       const Expr *E = nullptr,
-                       CXIdxEntityRefKind Kind = CXIdxEntityRef_Direct,
-                       CXSymbolRole Role = CXSymbolRole_None);
-
   bool isNotFromSourceFile(SourceLocation Loc) const;
 
-  void indexTopLevelDecl(const Decl *D);
-  void indexDeclGroupRef(DeclGroupRef DG);
-
   void translateLoc(SourceLocation Loc, CXIdxClientFile *indexFile, CXFile *file,
                     unsigned *line, unsigned *column, unsigned *offset);