diff --git a/.github/workflows/api.yml b/.github/workflows/api.yml
index 0bce7ff042..e549a5d563 100644
--- a/.github/workflows/api.yml
+++ b/.github/workflows/api.yml
@@ -44,7 +44,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
           fetch-depth: 1
 
diff --git a/.github/workflows/avx2.yml b/.github/workflows/avx2.yml
index 0e7559bf15..6fc633ec81 100644
--- a/.github/workflows/avx2.yml
+++ b/.github/workflows/avx2.yml
@@ -44,7 +44,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
 
       - name: Configure APT
diff --git a/.github/workflows/ci_coverage.yml b/.github/workflows/ci_coverage.yml
index f076b326cb..5cd560e6f1 100644
--- a/.github/workflows/ci_coverage.yml
+++ b/.github/workflows/ci_coverage.yml
@@ -61,7 +61,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
           fetch-depth: 1
 
diff --git a/.github/workflows/ci_linux.yml b/.github/workflows/ci_linux.yml
index 9a3c67e97a..c3689b7d5b 100644
--- a/.github/workflows/ci_linux.yml
+++ b/.github/workflows/ci_linux.yml
@@ -68,7 +68,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
           fetch-depth: 1
 
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
index 8e9868bf9c..84e3d358a5 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -68,7 +68,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
           fetch-depth: 1
 
diff --git a/.github/workflows/ci_misc.yml b/.github/workflows/ci_misc.yml
index d615b05742..3f0149deb0 100644
--- a/.github/workflows/ci_misc.yml
+++ b/.github/workflows/ci_misc.yml
@@ -150,7 +150,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
           fetch-depth: 1
 
diff --git a/.github/workflows/latest_libraries.yml b/.github/workflows/latest_libraries.yml
index c473de3020..abc1820042 100644
--- a/.github/workflows/latest_libraries.yml
+++ b/.github/workflows/latest_libraries.yml
@@ -67,7 +67,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
 
       - name: Configure APT
diff --git a/.github/workflows/ram_usage.yml b/.github/workflows/ram_usage.yml
index a103491073..1574ac02cc 100644
--- a/.github/workflows/ram_usage.yml
+++ b/.github/workflows/ram_usage.yml
@@ -41,7 +41,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: seqan/seqan
-          ref: namespace
           path: seqan3/submodules/seqan
           fetch-depth: 1