diff --git a/start.sh b/start.sh
index b0ef11d..51245ac 100755
--- a/start.sh
+++ b/start.sh
@@ -59,14 +59,6 @@ update_config() {
     yq eval ".smtp.disable_starttls = true" -i /app/data/production.yaml
     yq eval ".smtp.from_address = \"${CLOUDRON_MAIL_FROM}\"" -i /app/data/production.yaml
 
-    echo "==> Migrate config file attributes for v4"
-    # v4 config file migrations https://github.com/Chocobozzz/PeerTube/releases/tag/v4.0.0
-    yq eval "del(.log.rotation.maxFileSize)" -i /app/data/production.yaml
-    yq eval "del(.log.rotation.maxFiles)" -i /app/data/production.yaml
-    yq eval "del(.log.anonymizeIP)" -i /app/data/production.yaml
-    yq eval ".log.rotation.max_file_size = \"1MB\"" -i /app/data/production.yaml
-    yq eval ".log.rotation.max_files = 1" -i /app/data/production.yaml
-    yq eval ".log.anonymizeIP = false" -i /app/data/production.yaml
     yq eval ".storage.bin = \"/app/data/storage/bin/\"" -i /app/data/production.yaml
 }