diff --git a/pyinstaller.spec b/pyinstaller.spec
index 01b1ac4ac..eece50757 100644
--- a/pyinstaller.spec
+++ b/pyinstaller.spec
@@ -36,7 +36,6 @@ hidden_imports = [
     'allmydata.stats',
     'base64',
     'cffi',
-    'charset_normalizer.md__mypyc',
     'collections',
     'commands',
     'Crypto',