diff --git a/appveyor.yml b/appveyor.yml
index db38580a..c21301e8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,7 +11,6 @@ environment:
         secure: VEKn4bYH3QO0ixtQW5ni4Enmn8cS1NlZV246ludBDgQ=
 
 install:
-   - cinst nmap
    - "%PYTHON%\\python.exe -m pip install -r dev-requirements.txt"
    - "%PYTHON%\\python.exe -m pip install -r win-requirements.txt"