diff --git a/build/Adafruit_CircuitPlayground-1.6.4.zip.sha b/build/Adafruit_CircuitPlayground-1.6.4.zip.sha
deleted file mode 100644
index d4523fd52..000000000
--- a/build/Adafruit_CircuitPlayground-1.6.4.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-5fe2fc564da8f0a822124c0f02c18c48e1cacab1