diff --git a/sc/ha/schach b/sc/ha/schach
deleted file mode 100644
index a26569fc7e7..00000000000
--- a/sc/ha/schach
+++ /dev/null
@@ -1 +0,0 @@
-{"name":"schach","vers":"0.1.0","deps":[],"cksum":"9a0607cc82e0b96cfd55e2e933d493adc469cbfdcbccede4f3d734a2d8af4415","features":{},"yanked":false}