diff --git a/afl/src/mutators/mutations.rs b/afl/src/mutators/mutations.rs
index a0d4c7893b..aa8093a71a 100644
--- a/afl/src/mutators/mutations.rs
+++ b/afl/src/mutators/mutations.rs
@@ -509,6 +509,28 @@ where
     mem_move(input.bytes_mut(), token, 0, off, len);
     Ok(MutationResult::Mutated)
 }
+
+// Overwrite with a dictionary token
+pub fn mutation_tokenreplace<M, C, I, R>(
+    mutator: &mut M,
+    rand: &mut R,
+    _: &C,
+    input: &mut I,
+) -> Result<MutationResult, AflError>
+where
+    M: HasMaxSize,
+    I: Input + HasBytesVec,
+    R: Rand,
+{
+    if mutator.tokens.size() > len || !len { return Ok(MutationResult::Skipped); }
+    let token = &mutator.tokens[rand.below(token.size())];
+    let token_len = token.size();
+    let size = input.bytes().len();
+    let off rand.below((mutator.max_size() - token_len) as u64)) as usize;
+    mem_move(input.bytes_mut(), token, 0, off, len);
+    Ok(MutationResult::Mutated)
+}
+
 */
 
 pub fn mutation_bytesinsert<I, M, R, S>(
diff --git a/afl/src/mutators/scheduled.rs b/afl/src/mutators/scheduled.rs
index 38934ca671..e42eaaaa2b 100644
--- a/afl/src/mutators/scheduled.rs
+++ b/afl/src/mutators/scheduled.rs
@@ -303,10 +303,10 @@ where
         scheduled.add_mutation(mutation_bytescopy);
         scheduled.add_mutation(mutation_bytesswap);
 
-        // TODO dictionary and custom dictionary (redqueen etc.)
-        /*scheduled.add_mutation(mutation_bitflip);
-        scheduled.add_mutation(mutation_bitflip);
-        scheduled.add_mutation(mutation_bitflip);*/
+        /*scheduled.add_mutation(mutation_tokeninsert);
+        scheduled.add_mutation(mutation_tokenreplace);*/
+
+        // TODO: custom dictionary (redqueen etc.)
 
         scheduled.add_mutation(mutation_splice);