diff --git a/include/qbsp/map.hh b/include/qbsp/map.hh
index 43782024..d8c99302 100644
--- a/include/qbsp/map.hh
+++ b/include/qbsp/map.hh
@@ -225,7 +225,6 @@ constexpr int HULL_COLLISION = -1;
 brush_stats_t Brush_LoadEntity(mapentity_t *entity, const int hullnum);
 
 std::list<face_t *> CSGFace(face_t *srcface, const mapentity_t* srcentity, const brush_t *srcbrush, const node_t *srcnode);
-void PortalizeWorld(const mapentity_t *entity, node_t *headnode, const int hullnum);
 void TJunc(const mapentity_t *entity, node_t *headnode);
 int MakeFaceEdges(mapentity_t *entity, node_t *headnode);
 void ExportClipNodes(mapentity_t *entity, node_t *headnode, const int hullnum);
diff --git a/include/qbsp/portals.hh b/include/qbsp/portals.hh
index e27b68ec..e2c7cf39 100644
--- a/include/qbsp/portals.hh
+++ b/include/qbsp/portals.hh
@@ -35,4 +35,5 @@ struct portal_t
 extern node_t outside_node; // portals outside the world face this
 
 contentflags_t ClusterContents(const node_t *node);
+void PortalizeWorld(const mapentity_t *entity, node_t *headnode, const int hullnum);
 void FreeAllPortals(node_t *node);