diff --git a/pika-sources/debian/postinst b/pika-sources/debian/postinst
index 783d05f..95fef60 100755
--- a/pika-sources/debian/postinst
+++ b/pika-sources/debian/postinst
@@ -14,6 +14,7 @@ rm -f /etc/apt/sources.list.d/xtradeb-play.sources || true
 rm -f /etc/apt/preferences.d/0-pika-default-settings || true
 rm -f /etc/apt/preferences.d/51-ppa-default-settings || true
 rm -f /etc/apt/preferences.d/0-radeon-repo-settings || true
+rm -f /etc/apt/sources.list.d/kisak-mesa.sources || true
 
 systemctl enable --now steam-repos-fix.service || echo "steam-repos-fix service could not be enabled"