Cant Break blocks in creative holding a sword

Cant Break Blocks in creative holding a sword

What I expected to happen was...:
I thought I was going to break the block.

What actually happened was...:
It was like I was in Survival when i was breaking it, but it didnt break. The same as trying to break bedrock in survival.

Steps to Reproduce:
1. Go in creative 2. Take A sword 3. Try to break something