git rm cached file code example

Example 1: git remove cached

git rm -r --cached <name-of-dir>

Example 2: git remove cached directory

git rm -r --cached [directory]

Example 3: git rm cached

$ git rm --cached filename

Example 4: remove git

rm -rf .git
-r => Remove directories and there contents recursively.
-f => Ignore nonexistent files and arguments, never prompt
for more info run 
rm --help