diff --git a/pcbnew/tools/microwave_tool.cpp b/pcbnew/tools/microwave_tool.cpp
index 582e32aed2..30511da88a 100644
--- a/pcbnew/tools/microwave_tool.cpp
+++ b/pcbnew/tools/microwave_tool.cpp
@@ -108,7 +108,7 @@ void MICROWAVE_TOOL::Reset( RESET_REASON aReason )
 
 bool MICROWAVE_TOOL::Init()
 {
-    auto activeToolFunctor = [ this ] ( const SELECTION& aSel ) {
+    auto activeToolFunctor = [] ( const SELECTION& aSel ) {
         return true;
     };