diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/regions/selector/ExtendingCuboidRegionSelector.java b/worldedit-core/src/main/java/com/sk89q/worldedit/regions/selector/ExtendingCuboidRegionSelector.java
index 6ec02ce93..a4db9b9b1 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/regions/selector/ExtendingCuboidRegionSelector.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/regions/selector/ExtendingCuboidRegionSelector.java
@@ -87,7 +87,7 @@ public ExtendingCuboidRegionSelector(@Nullable World world, BlockVector3 positio
 
     @Override
     public boolean selectPrimary(BlockVector3 position, SelectorLimits limits) {
-        if (position1 != null && position2 != null && position.equals(position1) && position.equals(position2)) {
+        if (position.equals(position1) && position.equals(position2)) {
             return false;
         }
 
@@ -122,9 +122,9 @@ public boolean selectSecondary(BlockVector3 position, SelectorLimits limits) {
         region.setPos1(position1);
         region.setPos2(position2);
 
-        assert (region.contains(o1));
-        assert (region.contains(o2));
-        assert (region.contains(position));
+        assert region.contains(o1);
+        assert region.contains(o2);
+        assert region.contains(position);
 
         return true;
     }