That's right. The Interpretation Act would have a standard non-derogation clause because there are differences in each of the federal statutes. Some of them are worded differently, so it would be a standard provision that would apply to all federal acts, and the existing non-derogation clauses would be repealed in this act and in all other federal acts.
Evidence of meeting #128 for Indigenous and Northern Affairs in the 44th Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was amendment.
A video is available from Parliament.