diff --git a/src/future/builder.rs b/src/future/builder.rs
index 73c2d1ca..ca7f52ad 100644
--- a/src/future/builder.rs
+++ b/src/future/builder.rs
@@ -80,7 +80,7 @@ where
             eviction_listener: None,
             expiration_policy: ExpirationPolicy::default(),
             invalidator_enabled: false,
-            cache_type: PhantomData::default(),
+            cache_type: PhantomData,
         }
     }
 }
diff --git a/src/sync/builder.rs b/src/sync/builder.rs
index 2c9c1f3d..0309e8a0 100644
--- a/src/sync/builder.rs
+++ b/src/sync/builder.rs
@@ -74,7 +74,7 @@ where
             eviction_listener: None,
             expiration_policy: ExpirationPolicy::default(),
             invalidator_enabled: false,
-            cache_type: PhantomData::default(),
+            cache_type: PhantomData,
         }
     }
 }