diff --git a/src/grid/grid.cpp b/src/grid/grid.cpp
index 7550fbf39..ade783a7b 100644
--- a/src/grid/grid.cpp
+++ b/src/grid/grid.cpp
@@ -22,7 +22,6 @@
 
 // mapnik
 #include <mapnik/grid/grid.hpp>
-#include <mapnik/util/conversions.hpp>
 
 namespace mapnik
 {