diff --git a/forge-core/src/main/java/forge/util/Iterables.java b/forge-core/src/main/java/forge/util/Iterables.java
index c3e85351072..05efef2204a 100644
--- a/forge-core/src/main/java/forge/util/Iterables.java
+++ b/forge-core/src/main/java/forge/util/Iterables.java
@@ -83,10 +83,6 @@ public class Iterables {
         return iterable.removeIf(test);
     }
 
-    public static boolean removeAll(Collection<?> removeFrom, Collection<?> toRemove) {
-        return removeFrom.removeAll(toRemove);
-    }
-
     public static int size(Collection<?> collection) {
         return collection.size();
     }
diff --git a/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java b/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java
index 525dd6dd4d8..50d47dce45e 100644
--- a/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java
+++ b/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java
@@ -1255,7 +1255,7 @@ public class PlayerControllerHuman extends PlayerController implements IGameCont
                                  final List<String> invalidTypes, final boolean isOptional) {
         final List<String> types = Lists.newArrayList(validTypes);
         if (invalidTypes != null && !invalidTypes.isEmpty()) {
-            Iterables.removeAll(types, invalidTypes);
+            types.removeAll(invalidTypes);
         }
         if (kindOfType.equals("Creature")) {
             sortCreatureTypes(types);