diff --git a/sources b/sources
deleted file mode 100644
index ed24289..0000000
--- a/sources
+++ /dev/null
@@ -1 +0,0 @@
-SHA512 (bifunctors-5.5.11.tar.gz) = 09f66d1a086a72a822e804521c2258acb16fd5a4a29c3758b97987f27a271f58e3dd4103518b31b3bdf44465c87fe5573a0bba168ba109287ca3370b8ab491a1