diff --git a/src/plugins/projectexplorer/buildstep.cpp b/src/plugins/projectexplorer/buildstep.cpp
index 275d9fdcfbf..319eaf69b66 100644
--- a/src/plugins/projectexplorer/buildstep.cpp
+++ b/src/plugins/projectexplorer/buildstep.cpp
@@ -249,7 +249,7 @@ Utils::MacroExpander *BuildStep::macroExpander() const
 
 QString BuildStep::fallbackWorkingDirectory() const
 {
-    if (auto bc = buildConfiguration())
+    if (buildConfiguration())
         return {Constants::DEFAULT_WORKING_DIR};
     return {Constants::DEFAULT_WORKING_DIR_ALTERNATE};
 }