diff --git a/src/pbf.cpp b/src/pbf.cpp
index b9cd730..0a54979 100644
--- a/src/pbf.cpp
+++ b/src/pbf.cpp
@@ -7,7 +7,6 @@
 #include "tile.h"
 #include "pbf.h"
 
-using namespace google::protobuf;
 
 #define MOVE_TO    1
 #define LINE_TO    2