diff --git a/.github/workflows/validate_datasets.yml b/.github/workflows/validate_datasets.yml
index 62ecb8c7c..511db9574 100644
--- a/.github/workflows/validate_datasets.yml
+++ b/.github/workflows/validate_datasets.yml
@@ -100,6 +100,9 @@ jobs:
         fi
       shell: bash
 
+    - name: Skip MRS validation for legacy validator
+      run: for DS in mrs_*; do touch $DS/.SKIP_VALIDATION; done
+
     - name: Validate all BIDS datasets using bids-validator
       run: |
         cat ./run_tests.sh