diff --git a/libafl/src/mutators/mod.rs b/libafl/src/mutators/mod.rs
index 62866ef552..ff609fc374 100644
--- a/libafl/src/mutators/mod.rs
+++ b/libafl/src/mutators/mod.rs
@@ -399,7 +399,7 @@ impl Named for NopMutator {
 }
 
 /// Extensions of [`crate::inputs::Input`]s that have default mutators
-pub trait DefaultMutators<MT>: Sized {
+pub trait DefaultMutators<MT> {
     /// Get the default mutators for this type
     #[must_use]
     fn default_mutators() -> MT;