diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index 1ce88c28..7fbc34d0 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -911,14 +911,6 @@ CRenderer::RenderCollisionLines(void)
 	}
 }
 
-// unused
-void
-CRenderer::RenderBlockBuildingLines(void)
-{
-	for(BlockedRange *br = pFullBlockedRanges; br; br = br->next)
-		printf("Blocked: %f %f\n", br->a, br->b);
-}
-
 enum Visbility
 {
 	VIS_INVISIBLE,
diff --git a/src/render/Renderer.h b/src/render/Renderer.h
index 5c8f43ce..9b202098 100644
--- a/src/render/Renderer.h
+++ b/src/render/Renderer.h
@@ -71,8 +71,6 @@ public:
 	static void RenderFirstPersonVehicle(void);
 
 	static void RenderCollisionLines(void);
-	// unused
-	static void RenderBlockBuildingLines(void);
 
 	static int32 SetupEntityVisibility(CEntity *ent);
 	static int32 SetupBigBuildingVisibility(CEntity *ent);