diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 07a934d35..a0d4a4d18 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -8,7 +8,6 @@ jobs:
     strategy:
       matrix:
         os:
-          - 12
           - 13
           - 14
     runs-on: macos-${{ matrix.os }}
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 684958315..1e79c4913 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -65,7 +65,9 @@ jobs:
         # Temporarily remove MINGW64 and UCRT64 builds because
         # GCC 12 gives an unexpected overflow warning for __builtin_memmove
         # see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106199
-        msystem: [ MINGW32, CLANG32, CLANG64 ]
+        # Temporarily remove CLANG32 because doctest is not available anymore
+        # for this platform
+        msystem: [ MINGW32, CLANG64 ]
         #msystem: [ MINGW32, MINGW64, UCRT64, CLANG32, CLANG64 ]
       fail-fast: false
     steps: