AMDP methods should not be considered for "never used" comments.
The analysis is not correct and the usage of " to start a comment even leads to a syntax error in AMDP methods.

METHODS something_amdp
IMPORTING VALUE(param) TYPE i.
...
METHOD something_amdp BY DATABASE PROCEDURE FOR HDB LANGUAGE SQLSCRIPT.
" TODO: parameter PARAM is never used (ABAP cleaner)

DECLARE query STRING;
query = 'text' || param;
ENDMETHOD.