diff --git a/eco-api/src/main/java/com/willfp/eco/core/map/DefaultMap.java b/eco-api/src/main/java/com/willfp/eco/core/map/DefaultMap.java
index e8f40222d..40d487aeb 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/map/DefaultMap.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/map/DefaultMap.java
@@ -150,7 +150,7 @@ public Set<Entry<K, V>> entrySet() {
      */
     @NotNull
     public static <K, K1, V> DefaultMap<K, Map<K1, V>> createNestedMap() {
-        return new DefaultMap<>(() -> new HashMap<>());
+        return new DefaultMap<>(HashMap::new);
     }
 
     /**
@@ -163,6 +163,6 @@ public static <K, K1, V> DefaultMap<K, Map<K1, V>> createNestedMap() {
      */
     @NotNull
     public static <K, K1, V> DefaultMap<K, ListMap<K1, V>> createNestedListMap() {
-        return new DefaultMap<>(() -> new ListMap<>());
+        return new DefaultMap<>(ListMap::new);
     }
 }