diff --git a/Source/QtDialog/FirstConfigure.cxx b/Source/QtDialog/FirstConfigure.cxx
index b193a2782a..88ce7cb8ab 100644
--- a/Source/QtDialog/FirstConfigure.cxx
+++ b/Source/QtDialog/FirstConfigure.cxx
@@ -301,7 +301,7 @@ QString CrossCompilerSetup::getFindRoot() const
 
 void CrossCompilerSetup::setFindRoot(const QString& t)
 {
-  return this->crossFindRoot->setText(t);
+  this->crossFindRoot->setText(t);
 }
 
 int CrossCompilerSetup::getProgramMode() const
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 099f705f44..591963f892 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -1075,7 +1075,7 @@ bool cmGlobalGenerator::GetLanguageEnabled(const std::string& l) const
 
 void cmGlobalGenerator::ClearEnabledLanguages()
 {
-  return this->CMakeInstance->GetState()->ClearEnabledLanguages();
+  this->CMakeInstance->GetState()->ClearEnabledLanguages();
 }
 
 void cmGlobalGenerator::CreateLocalGenerators()