Can't break block with any sword in creative

Put the summary of the bug you're having here

What I expected to happen was... that it would work
Describe what you thought should happen here it should have worked

*What actually happened was...:*I was killing a cow in creative when i hit a block with out it getting destroyed
Describe what happened here I was killing a cow in creative when i hit a block with out it getting destroyed

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...Take a sword from the creative menu
3. ...and hit a block