diff --git a/clang-tools-extra/clang-tidy/ClangTidyModule.h b/clang-tools-extra/clang-tidy/ClangTidyModule.h
--- a/clang-tools-extra/clang-tidy/ClangTidyModule.h
+++ b/clang-tools-extra/clang-tidy/ClangTidyModule.h
@@ -65,11 +65,11 @@
 
   /// Create instances of checks that are enabled.
   std::vector<std::unique_ptr<ClangTidyCheck>>
-  createChecks(ClangTidyContext *Context);
+  createChecks(ClangTidyContext *Context) const;
 
   /// Create instances of checks that are enabled for the current Language.
   std::vector<std::unique_ptr<ClangTidyCheck>>
-  createChecksForLanguage(ClangTidyContext *Context);
+  createChecksForLanguage(ClangTidyContext *Context) const;
 
   typedef llvm::StringMap<CheckFactory> FactoryMap;
   FactoryMap::const_iterator begin() const { return Factories.begin(); }
diff --git a/clang-tools-extra/clang-tidy/ClangTidyModule.cpp b/clang-tools-extra/clang-tidy/ClangTidyModule.cpp
--- a/clang-tools-extra/clang-tidy/ClangTidyModule.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidyModule.cpp
@@ -22,7 +22,7 @@
 }
 
 std::vector<std::unique_ptr<ClangTidyCheck>>
-ClangTidyCheckFactories::createChecks(ClangTidyContext *Context) {
+ClangTidyCheckFactories::createChecks(ClangTidyContext *Context) const {
   std::vector<std::unique_ptr<ClangTidyCheck>> Checks;
   for (const auto &Factory : Factories) {
     if (Context->isCheckEnabled(Factory.getKey()))
@@ -32,7 +32,8 @@
 }
 
 std::vector<std::unique_ptr<ClangTidyCheck>>
-ClangTidyCheckFactories::createChecksForLanguage(ClangTidyContext *Context) {
+ClangTidyCheckFactories::createChecksForLanguage(
+    ClangTidyContext *Context) const {
   std::vector<std::unique_ptr<ClangTidyCheck>> Checks;
   const LangOptions &LO = Context->getLangOpts();
   for (const auto &Factory : Factories) {