Fix trailing whitespace
diff --git a/src/mango_opts.erl b/src/mango_opts.erl
index 45784a9..43c2f31 100644
--- a/src/mango_opts.erl
+++ b/src/mango_opts.erl
@@ -25,7 +25,7 @@
     is_pos_integer/1,
     is_non_neg_integer/1,
     is_object/1,
-    
+
     validate_idx_name/1,
     validate_selector/1,
     validate_sort/1,
diff --git a/src/mango_sort.erl b/src/mango_sort.erl
index 717099b..796ed33 100644
--- a/src/mango_sort.erl
+++ b/src/mango_sort.erl
@@ -71,6 +71,3 @@
         _ ->
             ?MANGO_ERROR({unsupported, mixed_sort})
     end.
-        
-    
-