To remove restrictions could make Tim idle (7)
I believe the answer is:
delimit
'to remove restrictions' is the definition.
I can't judge whether this defines the answer.
'make tim idle' is the wordplay.
'make' indicates anagramming the letters.
'tim'+'idle'='timidle'
'timidle' with letters rearranged gives 'DELIMIT'.
'could' is the link.
Can you help me to learn more?
(Other definitions for delimit that I've seen before include "Mark boundaries of" , "Mark boundary" , "Set boundaries" .)