diff --git a/common/include/villas/dsp/window.hpp b/common/include/villas/dsp/window.hpp
index be1ca383a..d3d5f7a84 100644
--- a/common/include/villas/dsp/window.hpp
+++ b/common/include/villas/dsp/window.hpp
@@ -82,12 +82,6 @@ public:
 
 		return filter(v, i);
 	}
-
-	virtual
-	T getCorrectionFactor() const
-	{
-		return 1.0;
-	}
 };
 
 } /* namespace dsp */