There are so many myths about Expungement in Texas.
(1) Arrests are automatically removed from records after 5 years. - NO (2) Convictions are are can be expunged after 8 years. - NO (3) All misdemeanors can be expunged at any time. - NO
The Texas Criminal Procedure Code Chapter 55 goes into great length to cover what the law on clearing a criminal record is.
This video clears up some of those myths and provides some general information.