LOW: Dead Code and TODO Comments Need Cleanup #23

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opened 2026-02-16 22:43:25 +02:00 by Koko210 · 0 comments
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Dead code and TODO comments clutter the codebase, making it harder to understand what is actually in use.

Where It Occurs

  • bot/utils/voice_manager.py - Commented-out code blocks
  • bot/core.py - Unused functions and TODOs
  • bot/bot.py - Old event handlers, commented code
  • Multiple files - TODOs not implemented or obsolete

Why This Is a Problem

  1. Confusion: Dead code looks like it might be needed
  2. Bloat: Codebase larger than necessary
  3. Maintenance: Dead code may be updated unnecessarily
  4. Technical Debt: TODOs accumulate without being addressed

What Can Go Wrong

Scenario 1: Developer Updates Dead Code

  1. Bug reported in voice manager
  2. Developer sees commented-out function that looks relevant
  3. Developer spends time debugging dead code
  4. Real issue is in active code
  5. Hours wasted

Scenario 2: TODO Confusion

  1. TODO comment says "Implement feature X"
  2. Developer assumes feature exists but incomplete
  3. Builds on feature, tests fail
  4. Realizes feature never implemented
  5. Wasted development time

Proposed Fix

Audit and clean up all dead code and TODOs:

  1. Identify dead code:

    • Search for commented-out functions (>3 lines)
    • Search for "TODO", "FIXME", "HACK" comments
    • Check if functions are called (grep -r "def function_name")
  2. Remove dead code:

    • Delete commented-out code blocks
    • Remove unused imports
    • Remove unused variables
  3. Handle TODOs:

    • Implement if still relevant
    • Remove if obsolete
    • Create issue if implementation needed later
  4. Set up policy:

    • No TODOs in PRs (create issue instead)
    • No commented-out code in PRs (use git history)
    • Regular code review for dead code

Severity

LOW - Code quality issue, adds confusion and maintenance burden.

Files Affected

bot/utils/voice_manager.py, bot/core.py, bot/bot.py, and many other files

Dead code and TODO comments clutter the codebase, making it harder to understand what is actually in use. ## Where It Occurs - bot/utils/voice_manager.py - Commented-out code blocks - bot/core.py - Unused functions and TODOs - bot/bot.py - Old event handlers, commented code - Multiple files - TODOs not implemented or obsolete ## Why This Is a Problem 1. Confusion: Dead code looks like it might be needed 2. Bloat: Codebase larger than necessary 3. Maintenance: Dead code may be updated unnecessarily 4. Technical Debt: TODOs accumulate without being addressed ## What Can Go Wrong ### Scenario 1: Developer Updates Dead Code 1. Bug reported in voice manager 2. Developer sees commented-out function that looks relevant 3. Developer spends time debugging dead code 4. Real issue is in active code 5. Hours wasted ### Scenario 2: TODO Confusion 1. TODO comment says "Implement feature X" 2. Developer assumes feature exists but incomplete 3. Builds on feature, tests fail 4. Realizes feature never implemented 5. Wasted development time ## Proposed Fix Audit and clean up all dead code and TODOs: 1. Identify dead code: - Search for commented-out functions (>3 lines) - Search for "TODO", "FIXME", "HACK" comments - Check if functions are called (grep -r "def function_name") 2. Remove dead code: - Delete commented-out code blocks - Remove unused imports - Remove unused variables 3. Handle TODOs: - Implement if still relevant - Remove if obsolete - Create issue if implementation needed later 4. Set up policy: - No TODOs in PRs (create issue instead) - No commented-out code in PRs (use git history) - Regular code review for dead code ## Severity LOW - Code quality issue, adds confusion and maintenance burden. ## Files Affected bot/utils/voice_manager.py, bot/core.py, bot/bot.py, and many other files
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Reference: Koko210/miku-discord#23