diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 727f3fc..da381f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -174,15 +174,15 @@ jobs:
       - name: build Windows LLVM
         run: ./build-llvm.cmd
 
-      - name: Download UPX
-        run: ./download-upx.ps1
-
-      - name: Compress LLVM utilities with UPX
-        run: |
-          ./upx.exe -9 -v .\artifacts\windows\bin\llc.exe
-          ./upx.exe -9 -v .\artifacts\windows\bin\lld.exe
-          ./upx.exe -9 -v .\artifacts\windows\bin\llvm-mc.exe
-          ./upx.exe -9 -v .\artifacts\windows\bin\llvm-strip.exe
+#      - name: Download UPX
+#        run: ./download-upx.ps1
+
+#      - name: Compress LLVM utilities with UPX
+#        run: |
+#          ./upx.exe -9 -v .\artifacts\windows\bin\llc.exe
+#          ./upx.exe -9 -v .\artifacts\windows\bin\lld.exe
+#          ./upx.exe -9 -v .\artifacts\windows\bin\llvm-mc.exe
+#          ./upx.exe -9 -v .\artifacts\windows\bin\llvm-strip.exe
 
       - name: package LLVM artifacts
         run: 7z a artifacts-windows-llvm.7z artifacts