diff --git a/src/surfacecollection.cpp b/src/surfacecollection.cpp
index 47825fa..cdb2f16 100644
--- a/src/surfacecollection.cpp
+++ b/src/surfacecollection.cpp
@@ -27,8 +27,6 @@ using std::endl;
 using std::string;
 
 SurfaceCollection::SurfaceCollection(bool defaultAlpha, const string &skin) {
-	surfaces.set_empty_key(" ");
-	surfaces.set_deleted_key("");
 	this->defaultAlpha = defaultAlpha;
 	setSkin(skin);
 }
diff --git a/src/surfacecollection.h b/src/surfacecollection.h
index 307dc5d..48386e1 100644
--- a/src/surfacecollection.h
+++ b/src/surfacecollection.h
@@ -20,12 +20,12 @@
 #ifndef SURFACECOLLECTION_H
 #define SURFACECOLLECTION_H
 
-#include <google/dense_hash_map>
 #include <string>
+#include <tr1/unordered_map>
 
 class Surface;
 
-typedef google::dense_hash_map<std::string, Surface *> SurfaceHash;
+typedef std::tr1::unordered_map<std::string, Surface *> SurfaceHash;
 
 /**
 Hash Map of surfaces that loads surfaces not already loaded and reuses already loaded ones.