diff --git a/.ci/test.sh b/.ci/test.sh
index 4a1144733df8..3cb25ee10d14 100755
--- a/.ci/test.sh
+++ b/.ci/test.sh
@@ -13,7 +13,7 @@ source activate $CONDA_ENV
 
 cd $BUILD_DIRECTORY
 
-if [[ $TASK == "check-docs" ]]; then
+if [[ $TRAVIS == "true" ]] && [[ $TASK == "check-docs" ]]; then
     cd $BUILD_DIRECTORY/docs
     conda install -q -y -n $CONDA_ENV -c conda-forge doxygen
     pip install --user -r requirements.txt rstcheck
@@ -40,7 +40,7 @@ if [[ $TASK == "check-docs" ]]; then
     exit 0
 fi
 
-if [[ $TASK == "lint" ]]; then
+if [[ $TRAVIS == "true" ]] && [[ $TASK == "lint" ]]; then
     conda install -q -y -n $CONDA_ENV \
         pycodestyle \
         pydocstyle \
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2c770994b0bf..9955dd73217e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,12 @@
 name: GitHub Actions
 
-on: [push]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   test: