diff --git a/.travis.yml b/.travis.yml
index 1c222c4fa..5034ddb6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,8 @@ after_success:
     - coveralls
 jobs:
   include:
-    - stage: binary builds
+    - if: branch = master  # don't build binaries on lightning branch
+      stage: binary builds
       sudo: true
       language: c
       python: false
@@ -40,7 +41,8 @@ jobs:
       script:
         - sudo docker run --name electrum-wine-builder-cont -v $PWD:/opt/wine64/drive_c/electrum --rm --workdir /opt/wine64/drive_c/electrum/contrib/build-wine electrum-wine-builder-img ./build.sh
       after_success: true
-    - os: osx
+    - if: branch = master  # don't build binaries on lightning branch
+      os: osx
       language: c
       env:
         - TARGET_OS=macOS