diff --git a/jay_diff.py b/jay_diff.py
index 7861d3e..318698f 100644
--- a/jay_diff.py
+++ b/jay_diff.py
@@ -97,9 +97,12 @@ def jay_merge_delete(_old, _new):
 	for k, v in _new.items():
 		if isinstance(v, dict):
 			jay_merge_delete(_old[k], _new[k])
+			if len(_old[k].keys()) == 0:
+				del _old[k]
 		else:
 			if k in _old:
 				del _old[k]
+
 	return _old
 
 
@@ -426,7 +429,7 @@ if __name__ == '__main__':
 	assert result == {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}
 
 	result = jay_merge_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}})
-#	assert result == {'a': 'hamburger', 'b': 'fries'}
+	assert result == {'a': 'hamburger', 'b': 'fries'}
 
 	result = jay_merge_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke'}}})
 	assert result == {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}
@@ -435,25 +438,25 @@ if __name__ == '__main__':
 	assert result == {'c': {'e': 'coke'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update': {'a': 'hotdog', 'b': 'potatoes'}})
-#	assert result == {'a':'hotdog', 'b':'potatoes'}
+	assert result == {'a':'hotdog', 'b':'potatoes'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}, 'update': {'c': {'e': 'pepsi'}}})
 	assert result == {'c': {'e': 'pepsi'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update': {'a': 'hotdog'}})
-#	assert result == {'a':'hotdog', 'b':'fries'}
+	assert result == {'a':'hotdog', 'b':'fries'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'update': {'c': {'e': 'pepsi'}}})
 	assert result == {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'add': {'d': 'icecream'}, 'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update': {'a': 'hotdog', 'b': 'potatoes'}})
-#	assert result == {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}
+	assert result == {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'add': {'c': {'g': 'tea', 'h': 'cake'}}, 'delete': {'a': 'hamburger', 'c': {'f': 'coffee'}}, 'update': {'b': 'potatoes', 'c': {'e': 'pepsi'}}})
 	assert result == {'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}, 'b':'potatoes'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update': {'a': 'hotdog'}})
-#	assert result == {'a':'hotdog', 'b':'fries'}
+	assert result == {'a':'hotdog', 'b':'fries'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'update': {'c': {'e': 'pepsi'}}})
 	assert result == {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}
@@ -498,7 +501,7 @@ if __name__ == '__main__':
 	assert result == {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}
 
 	result = jay_merge_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}})
-#	assert result == {'a': 'hamburger', 'b': 'fries'}
+	assert result == {'a': 'hamburger', 'b': 'fries'}
 
 	result = jay_merge_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke'}}})
 	assert result == {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}
@@ -507,25 +510,25 @@ if __name__ == '__main__':
 	assert result == {'c': {'e': 'coke'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update_add': {'a': 'hotdog', 'b': 'potatoes'}})
-#	assert result == {'a':'hotdog', 'b':'potatoes'}
+	assert result == {'a':'hotdog', 'b':'potatoes'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}, 'update_add': {'c': {'e': 'pepsi'}}})
 	assert result == {'c': {'e': 'pepsi'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update_add': {'a': 'hotdog'}})
-#	assert result == {'a':'hotdog', 'b':'fries'}
+	assert result == {'a':'hotdog', 'b':'fries'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'update_add': {'c': {'e': 'pepsi'}}})
 	assert result == {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update_add': {'a': 'hotdog', 'b': 'potatoes', 'd': 'icecream'}})
-#	assert result == {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}
+	assert result == {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'a': 'hamburger', 'c': {'f': 'coffee'}}, 'update_add': {'b': 'potatoes', 'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}}})
-#	assert result == {'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake', 'b':'potatoes'}}
+	assert result == {'b':'potatoes', 'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'delete': {'c': {'e': 'coke', 'f': 'coffee'}}, 'update_add': {'a': 'hotdog'}})
-#	assert result == {'a':'hotdog', 'b':'fries'}
+	assert result == {'a':'hotdog', 'b':'fries'}
 
 	result = jay_merge_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'update_add': {'c': {'e': 'pepsi'}}})
 	assert result == {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}