diff --git a/.appveyor.yml b/.appveyor.yml
index 4682f2552f6..4d4739f33e3 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,4 +1,7 @@
 version: 1.0.{build}
+branches:
+  only:
+    - master
 image:
 - Visual Studio 2017
 test: off
@@ -14,12 +17,6 @@ environment:
   - PYTHON: 36
     CONFIG: Release
     SHARED: ON
-  - PYTHON: 36
-    CONFIG: Release
-    SHARED: OFF
-  - PYTHON: 36
-    CONFIG: Release
-    SHARED: ON
 install:
 - ps: |
     if ($env:PLATFORM -eq "x64") {