diff --git a/Typo3.gitignore b/Typo3.gitignore
index 5781fcc3..029d7b1f 100644
--- a/Typo3.gitignore
+++ b/Typo3.gitignore
@@ -8,7 +8,6 @@
 /typo3conf/temp_CACHED*
 /typo3conf/temp_fieldInfo.php
 /typo3conf/deprecation_*.log
-/typo3conf/AdditionalConfiguration.php
 # Ignore system folders, you should have them symlinked.
 # If not comment out the following entries.
 /typo3