diff --git a/.github/workflows/mutants.yml b/.github/workflows/mutants.yml
index 8cc19c06e5..79ce60573b 100644
--- a/.github/workflows/mutants.yml
+++ b/.github/workflows/mutants.yml
@@ -43,12 +43,12 @@ jobs:
       - name: Print old commit hash
         run: cat ./mutation-testing/packages-output/last_commit_hash.txt
 
-      # - name: Run the mutation testing on the differences
-      #   run: |
-      #     if [ -f ../packages-output/last_commit_hash.txt ]; then
-      #       ./git-diff.sh
-      #     fi
-      #   working-directory: ./mutation-testing/scripts
+      - name: Run the mutation testing on the differences
+        run: |
+          if [ -f ../packages-output/last_commit_hash.txt ]; then
+            ./git-diff.sh
+          fi
+        working-directory: ./mutation-testing/scripts
 
       - name: Re-write the old commit hash with the current one
         run: |
diff --git a/stx-genesis/src/lib.rs b/stx-genesis/src/lib.rs
index 0c18ce300e..cd75f9c750 100644
--- a/stx-genesis/src/lib.rs
+++ b/stx-genesis/src/lib.rs
@@ -110,6 +110,30 @@ impl Iterator for LinePairReader {
     }
 }
 
+fn fn_option_remove() -> Option<u8> {
+    Some(2)
+}
+
+fn fn_int_remove() -> u32 {
+    12
+}
+
+fn read_deflated_zonefiles_test_clone(
+    deflate_bytes: &'static [u8],
+) -> Box<dyn Iterator<Item = GenesisZonefile>> {
+    let cursor = io::Cursor::new(deflate_bytes);
+    let deflate_decoder = deflate::Decoder::new(cursor);
+    let buff_reader = BufReader::new(deflate_decoder);
+    let pairs = LinePairReader {
+        val: buff_reader.lines(),
+    };
+    let pair_iter = pairs.into_iter().map(|pair| GenesisZonefile {
+        zonefile_hash: pair[0].to_owned(),
+        zonefile_content: pair[1].replace("\\n", "\n"),
+    });
+    return Box::new(pair_iter);
+}
+
 fn read_deflated_zonefiles(
     deflate_bytes: &'static [u8],
 ) -> Box<dyn Iterator<Item = GenesisZonefile>> {