CLickClick on a vertex that you dontdon't need in topology -> double "G" to slide -> slide it to the nearest vetrex -> select them (or press "A" to select all) -> "M" + merge by distance (or enable automerge when you moving them).:
- Double tap G to slide
- Slide vertex to the nearest adjacent vertex
- Select vertices (or press A to select all vertices)
- Press M > Merge By Distance (or enable auto-merge when you're moving them).
Also youYou can try toalso click on a vertex and press -> "X" + dissolve verticesX > Dissolve Vertices