Index: .github/workflows/build.yml
===================================================================
diff -u -N -r52119c183f96646c0dd6ff3dab9916b70db258d9 -r9ccc962011199f0c4c24fac50908d6a1c69f65c1
--- .github/workflows/build.yml	(.../build.yml)	(revision 52119c183f96646c0dd6ff3dab9916b70db258d9)
+++ .github/workflows/build.yml	(.../build.yml)	(revision 9ccc962011199f0c4c24fac50908d6a1c69f65c1)
@@ -84,14 +84,6 @@
             compiler: gcc-10
             tcltag: core-8-7-a5
             experimental: [false]
-          # - os: ubuntu-latest
-	  #  compiler: gcc-10
-          #  tcltag: core-9-0-a3
-          #  experimental: [true]
-          #- os: macos-latest
-          #  compiler: gcc-11
-          #  tcltag: core-9-0-a3
-          # experimental: [true]
     defaults:
       run:
         shell: bash