------
## 最终结论
```python
def remove_column(nested_list, col_index):
    for row in nested_list:
        del row[col_index]
    return nested_list

# Test cases
assert remove_column([[1, 2, 3], [2, 4, 5], [1, 1, 1]],0) == [[2, 3], [4, 5], [1, 1]]
assert remove_column([[1, 2, 3], [-2, 4, -5], [1, -1, 1]],2) == [[1, 2], [-2, 4], [1, -1]]
assert remove_column([[1, 3], [5, 7], [1, 3], [13, 15, 17], [5, 7], [9, 11]],0) == [[3], [7], [3], [15, 17], [7], [11]]
```