diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f81d22a4577..26e25253e53 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -201,10 +201,12 @@ jobs:
           echo "linux-x64-variants=$(check_platform linux-x64-variants variants)" >> $GITHUB_OUTPUT
           echo "linux-cross-compile=$(check_platform linux-cross-compile cross-compile)" >> $GITHUB_OUTPUT
           echo "alpine-linux-x64=$(check_platform alpine-linux-x64 alpine-linux x64)" >> $GITHUB_OUTPUT
-          echo "macos-x64=$(check_platform macos-x64 macos x64)" >> $GITHUB_OUTPUT
+          # SapMachine 2026-05-14: Disabling GHA for platforms that are not delivered
+          echo "macos-x64=false" >> $GITHUB_OUTPUT
           echo "macos-aarch64=$(check_platform macos-aarch64 macos aarch64)" >> $GITHUB_OUTPUT
           echo "windows-x64=$(check_platform windows-x64 windows x64)" >> $GITHUB_OUTPUT
-          echo "windows-aarch64=$(check_platform windows-aarch64 windows aarch64)" >> $GITHUB_OUTPUT
+          # SapMachine 2026-05-14: Disabling GHA for platforms that are not delivered
+          echo "windows-aarch64=false" >> $GITHUB_OUTPUT
           echo "docs=$(check_platform docs)" >> $GITHUB_OUTPUT
           echo "dry-run=$(check_dry_run)" >> $GITHUB_OUTPUT
 
diff --git a/make/conf/github-actions.conf b/make/conf/github-actions.conf
index 49696bc63e9..a337987af6d 100644
--- a/make/conf/github-actions.conf
+++ b/make/conf/github-actions.conf
@@ -41,8 +41,8 @@ MACOS_AARCH64_BOOT_JDK_URL=https://github.com/SAP/SapMachine/releases/download/s
 MACOS_AARCH64_BOOT_JDK_SHA256=3663faab53b08e20c87112166bae3399340ead434d8e3a58cbb2a28ef1e0c584
 
 MACOS_X64_BOOT_JDK_EXT=tar.gz
-MACOS_X64_BOOT_JDK_URL=https://github.com/adoptium/temurin26-binaries/releases/download/jdk-26.0.1%2B8/OpenJDK26U-jdk_x64_mac_hotspot_26.0.1_8.tar.gz
-MACOS_X64_BOOT_JDK_SHA256=032df492c8749864ee8b135e3d0ea5a17ef5c847309d5fdf8f1dd55e246b8319
+MACOS_X64_BOOT_JDK_URL=https://download.java.net/java/GA/jdk26/c3cc523845074aa0af4f5e1e1ed4151d/35/GPL/openjdk-26_macos-x64_bin.tar.gz
+MACOS_X64_BOOT_JDK_SHA256=8642b89d889c14ede2c446fd5bbe3621c8a3082e3df02013fd1658e39f52929a
 
 WINDOWS_X64_BOOT_JDK_EXT=zip
 WINDOWS_X64_BOOT_JDK_URL=https://github.com/SAP/SapMachine/releases/download/sapmachine-26.0.1/sapmachine-jdk-26.0.1_windows-x64_bin.zip