diff --git a/msys.py b/msys.py
index a5054a1..fb810d1 100644
--- a/msys.py
+++ b/msys.py
@@ -3,6 +3,5 @@ ARCHITECTURE = 'x86_64'
 CATALOG = '.files'
 CHARSET = 'u8'
 REPOSITORY = 'https://repo.msys2.org'
-SIGNATURE = '.sig'
 
 ARCHITECTURES = [ARCHITECTURE, 'i686']