Fix/free and delete

[dcuestam]

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Description

• [ ] Here are some details about my PR, including screenshots of any UI changes:

Tests

• [ ] My PR adds the following unit tests OR does not need testing for this extremely good reason:

Benchmarks

• [ ] My PR adds the following micro benchmarks OR does not need benchmarks for this extremely good reason:

Commits

• [ ] My commits have been squashed if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

License

• [ ] Add a Mozilla Public License 2.0 license header to all the new files.

Documentation

• [ ] In case of new functionality, my PR adds documentation that describes how to use it.

[codecov[bot]]

Codecov Report

Merging #49 into master will not change coverage. The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #49   +/-   ##
======================================
  Coverage    98.5%   98.5%           
======================================
  Files          12      12           
  Lines        1403    1403           
======================================
  Hits         1382    1382           
  Misses         21      21

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