Level down
Definition 1 of 2
Pro Tip 1/3Context Matters
Use 'level down' when talking about reducing difficulty or intensity, not for physical size. 
We need to level down the competition to include beginners.
Pro Tip 2/3Not Always Negative
'Level down' can be positive when it helps individuals or creates fairness. 
The course was too advanced, so we leveled it down.
Pro Tip 3/3Avoid Overuse
Use 'level down' judiciously to prevent it from losing impact when expressing a change in degree. 
Instead of more practice, let's level down the task's complexity.