diff --git a/dev/win_installer/_base.sh b/dev/win_installer/_base.sh
index c711a09a5..619448f25 100755
--- a/dev/win_installer/_base.sh
+++ b/dev/win_installer/_base.sh
@@ -102,7 +102,6 @@ function install_deps {
         intltool
 
     PIP_REQUIREMENTS="\
-pyflakes==2.1.1
 requests
 "