diff --git a/thunderbirdparser/src/org/sleuthkit/autopsy/thunderbirdparser/ThunderbirdMboxFileIngestModule.java b/thunderbirdparser/src/org/sleuthkit/autopsy/thunderbirdparser/ThunderbirdMboxFileIngestModule.java
index 071d955f7d..e9fa379ef2 100644
--- a/thunderbirdparser/src/org/sleuthkit/autopsy/thunderbirdparser/ThunderbirdMboxFileIngestModule.java
+++ b/thunderbirdparser/src/org/sleuthkit/autopsy/thunderbirdparser/ThunderbirdMboxFileIngestModule.java
@@ -501,5 +501,6 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
 
     @Override
     public void shutDown() {
+        // nothing to shut down
     }
 }