diff --git a/unittests/Lex/LexerTest.cpp b/unittests/Lex/LexerTest.cpp
index a7c6284..505be75 100644
--- a/unittests/Lex/LexerTest.cpp
+++ b/unittests/Lex/LexerTest.cpp
@@ -61,7 +61,8 @@
   }
 
   virtual void makeModuleVisible(Module *Mod,
-                                 Module::NameVisibilityKind Visibility) { }
+                                 Module::NameVisibilityKind Visibility,
+                                 SourceLocation ImportLoc) { }
 };
 
 TEST_F(LexerTest, LexAPI) {
diff --git a/unittests/Lex/PPCallbacksTest.cpp b/unittests/Lex/PPCallbacksTest.cpp
index 073e07c..13104cb 100644
--- a/unittests/Lex/PPCallbacksTest.cpp
+++ b/unittests/Lex/PPCallbacksTest.cpp
@@ -38,7 +38,8 @@
   }
 
   virtual void makeModuleVisible(Module *Mod,
-                                 Module::NameVisibilityKind Visibility) { }
+                                 Module::NameVisibilityKind Visibility,
+                                 SourceLocation ImportLoc) { }
 };
 
 // Stub to collect data from InclusionDirective callbacks.
diff --git a/unittests/Lex/PPConditionalDirectiveRecordTest.cpp b/unittests/Lex/PPConditionalDirectiveRecordTest.cpp
index 80c352d..856a8ff 100644
--- a/unittests/Lex/PPConditionalDirectiveRecordTest.cpp
+++ b/unittests/Lex/PPConditionalDirectiveRecordTest.cpp
@@ -61,7 +61,8 @@
   }
 
   virtual void makeModuleVisible(Module *Mod,
-                                 Module::NameVisibilityKind Visibility) { }
+                                 Module::NameVisibilityKind Visibility,
+                                 SourceLocation ImportLoc) { }
 };
 
 TEST_F(PPConditionalDirectiveRecordTest, PPRecAPI) {