diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f0850e77..c248800a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,18 +27,7 @@ jobs:
         uses: fabiocaccamo/create-matrix-action@v5
         with:
           matrix: |
-            # os {linux},   cpu {amd64}, builder {ubuntu-latest},  tests {unittest},    nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {linux},   cpu {amd64}, builder {ubuntu-latest},  tests {contract},    nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
             os {linux},   cpu {amd64}, builder {ubuntu-latest},  tests {integration}, nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {linux},   cpu {amd64}, builder {ubuntu-latest},  tests {tools},       nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {macos},   cpu {arm64}, builder {macos-14},       tests {unittest},    nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {macos},   cpu {arm64}, builder {macos-14},       tests {contract},    nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {macos},   cpu {arm64}, builder {macos-14},       tests {integration}, nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {macos},   cpu {arm64}, builder {macos-14},       tests {tools},       nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-            # os {windows}, cpu {amd64}, builder {windows-latest}, tests {unittest},    nim_version {${{ env.nim_version }}}, shell {msys2}
-            # os {windows}, cpu {amd64}, builder {windows-latest}, tests {contract},    nim_version {${{ env.nim_version }}}, shell {msys2}
-            # os {windows}, cpu {amd64}, builder {windows-latest}, tests {integration}, nim_version {${{ env.nim_version }}}, shell {msys2}
-            # os {windows}, cpu {amd64}, builder {windows-latest}, tests {tools},       nim_version {${{ env.nim_version }}}, shell {msys2}
 
   build:
     needs: matrix