diff --git a/src/server/collision/Maps/TileAssembler.cpp b/src/server/collision/Maps/TileAssembler.cpp
index 86391d5488a..ce39dc02da8 100644
--- a/src/server/collision/Maps/TileAssembler.cpp
+++ b/src/server/collision/Maps/TileAssembler.cpp
@@ -24,7 +24,6 @@
 #include <set>
 #include <iomanip>
 #include <sstream>
-#include <iomanip>
 
 using G3D::Vector3;
 using G3D::AABox;