diff --git a/.github/workflows/macos-install.sh b/.github/workflows/macos-install.sh
index 473a1695e..78eac6162 100755
--- a/.github/workflows/macos-install.sh
+++ b/.github/workflows/macos-install.sh
@@ -2,8 +2,6 @@
 
 set -e
 
-sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /
-
 brew install libtiff libjpeg webp little-cms2
 
 PYTHONOPTIMIZE=0 pip install cffi
diff --git a/.travis/build.sh b/.travis/build.sh
index 3b286076f..a2e3041bd 100755
--- a/.travis/build.sh
+++ b/.travis/build.sh
@@ -3,5 +3,8 @@
 set -e
 
 coverage erase
+if [ $(uname) == "Darwin" ]; then
+    export CPPFLAGS="-I/usr/local/miniconda/include";
+fi
 make clean
 make install-coverage