diff --git a/.github/scripts/macOS/install_others.sh b/.github/scripts/macOS/install_others.sh
index 592f149d5..638e3e0b4 100755
--- a/.github/scripts/macOS/install_others.sh
+++ b/.github/scripts/macOS/install_others.sh
@@ -38,15 +38,18 @@ install_aja() {(
 )}
 
 install_deltacast() {(
-        DELTA_CACHE_INST=${SDK_NONFREE_PATH-nonexistent}/VideoMasterHD_inst
-        if [ ! -d "$DELTA_CACHE_INST" ]; then
-                return 0
+        if [ ! -f "$SDK_NONFREE_PATH/VideoMaster_SDK_MacOSX.zip" ]; then
+                return
         fi
-        FEATURES="$FEATURES --enable-deltacast"
+        unzip "$SDK_NONFREE_PATH/VideoMaster_SDK_MacOSX.zip"
+        sudo installer -pkg VideoMaster_SDK.pkg -target / || true
+)
+        export FEATURES="${FEATURES+$FEATURES }--enable-deltacast"
         echo "FEATURES=$FEATURES" >> "$GITHUB_ENV"
-        sudo cp -a "$DELTA_CACHE_INST"/* \
-                "$(xcrun --show-sdk-path)/System/Library/Frameworks/"
-)}
+        export COMMON_OSX_FLAGS="${COMMON_OSX_FLAGS+$COMMON_OSX_FLAGS }\
+-F/Library/Frameworks"
+        printf '%b' "COMMON_OSX_FLAGS=$COMMON_OSX_FLAGS\n" >> "$GITHUB_ENV"
+}
 
 install_glfw() {(
         git clone --depth 500 https://github.com/glfw/glfw.git
diff --git a/.github/scripts/macOS/prepare_nonfree_sdks.sh b/.github/scripts/macOS/prepare_nonfree_sdks.sh
deleted file mode 100755
index 8bbc05162..000000000
--- a/.github/scripts/macOS/prepare_nonfree_sdks.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/sh -eux
-
-cd /tmp
-
-# DELTACAST
-DELTA_CACHE_INST=$SDK_NONFREE_PATH/VideoMasterHD_inst
-if [ ! -f "$SDK_NONFREE_PATH/VideoMaster_SDK_MacOSX.zip" ]; then
-        return
-fi
-
-unzip "$SDK_NONFREE_PATH/VideoMaster_SDK_MacOSX.zip"
-sudo installer -pkg VideoMaster_SDK.pkg -target / || true
-cd /Library/Frameworks
-sudo install_name_tool -change /Library/Frameworks/VideoMasterHD.framework/Versions/A/VideoMasterHD @executable_path/../Frameworks/VideoMasterHD.framework/Versions/A/VideoMasterHD VideoMasterHD.framework/VideoMasterHD
-sudo install_name_tool -id @executable_path/../Frameworks/VideoMasterHD.framework/Versions/A/VideoMasterHD VideoMasterHD.framework/VideoMasterHD
-sudo install_name_tool -id @executable_path/../Frameworks/VideoMasterHD_Audio.framework/Versions/A/VideoMasterHD_Audio VideoMasterHD_Audio.framework/Versions/A/VideoMasterHD_Audio
-sudo install_name_tool -change /Library/Frameworks/VideoMasterHD.framework/Versions/A/VideoMasterHD @executable_path/../Frameworks/VideoMasterHD.framework/Versions/A/VideoMasterHD VideoMasterHD_Audio.framework/Versions/A/VideoMasterHD_Audio
-#sudo cp -a VideoMasterHD.framework VideoMasterHD_Audio.framework libVideoMasterHD_SP.dylib $(xcrun --show-sdk-path)/System/Library/Frameworks
-mkdir "$DELTA_CACHE_INST"
-cp -a VideoMasterHD.framework VideoMasterHD_Audio.framework "$DELTA_CACHE_INST/"
-cd "$DELTA_CACHE_INST"
-security unlock-keychain -p "$KEY_CHAIN_PASS" "$KEY_CHAIN"
-codesign --force -s CESNET VideoMasterHD.framework VideoMasterHD_Audio.framework
-cd -
-sudo rm -rf /Library/Frameworks/VideoMasterHD* # ensure that only the copy above is used
-
diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 5000e1341..22bd7d4e9 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -180,7 +180,6 @@ jobs:
         mkdir -p ${{ env.SDK_NONFREE_PATH }}
         cd ${{ env.SDK_NONFREE_PATH }}
         curl -S -f -O $SDK_URL/VideoMaster_SDK_MacOSX.zip || true
-        $GITHUB_WORKSPACE/.github/scripts/macOS/prepare_nonfree_sdks.sh
     - name: Cache XIMEA
       id: cache-macos-ximea
       uses: actions/cache@main
diff --git a/configure.ac b/configure.ac
index 2501bc5b4..35e7a457a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -155,7 +155,6 @@ if test $system = MacOSX; then
         if test $os_version_major -lt 19; then # Darwin 19.0.0 is macOS 10.15
                 MACOS_LEGACY=yes
         fi
-        COMMON_OSX_FLAGS='-F/Library/Frameworks'
 	CFLAGS="$CFLAGS $COMMON_OSX_FLAGS"
 	CPPFLAGS="$CPPFLAGS $COMMON_OSX_FLAGS"
 	CXXFLAGS="$CXXFLAGS $COMMON_OSX_FLAGS"