Woodworking and home repairs often leave excess glue squeeze-out on inside corners--and getting access to remove it can be tough.
Glue is easiest to remove while it's still wet. A damp rag works fine unless you're trying to clean an inside corner.
Then it's difficult unless you know how to make our famous "super-duper glue scooper."
Flatten a drinking straw and use the resulting "v" end to scoop deep into the gooey glue joint. One or two passes from end to end will do the trick and leave the mended area glue-free.