text: Title: Remove unknown block size logic
  Body: **Is your feature request related to a problem? Please describe.**
  Unknown block sizes are no longer required.
  
  **Describe the solution you'd like**
  Remove unknown block size logic.
  
  **Describe alternatives you've considered**
  
  **Urgency**
  Adds unnecessary code to the codebase.
  
  **Additional context**
  