diff --git a/src/rotate_column.c b/src/rotate_column.c
deleted file mode 100644
index fb041d7..0000000
--- a/src/rotate_column.c
+++ /dev/null
@@ -1,10 +0,0 @@
-// rotate tiles in brick by 1
-int rotate_col (void)
-{
-	int temp;
-	temp = tile_current[0];
-	tile_current[0] = tile_current[1];
-	tile_current[1] = tile_current[2];
-	tile_current[2] = temp;
-	return 0;
-}