diff --git a/src/columns/ColMask.cpp b/src/columns/ColMask.cpp
index 3e8459ebe..a00d7b8a8 100644
--- a/src/columns/ColMask.cpp
+++ b/src/columns/ColMask.cpp
@@ -26,7 +26,6 @@
 
 #include <cmake.h>
 #include <ColMask.h>
-#include <math.h>
 #include <text.h>
 #include <i18n.h>