--- a/mailnews/db/msgdb/src/nsMsgHdr.cpp
+++ b/mailnews/db/msgdb/src/nsMsgHdr.cpp
@@ -98,24 +98,18 @@ nsresult nsMsgHdr::InitFlags()
   }
 
   return err;
 
 }
 
 nsMsgHdr::~nsMsgHdr()
 {
-  if (m_mdbRow)
-  {
-    if (m_mdb)
-    {
-      NS_RELEASE(m_mdbRow);
-      m_mdb->RemoveHdrFromUseCache(this, m_messageKey);
-    }
-  }
+  if (m_mdb)
+    m_mdb->RemoveHdrFromUseCache(this, m_messageKey);
   NS_IF_RELEASE(m_mdb);
 }
 
 NS_IMETHODIMP nsMsgHdr::GetMessageKey(nsMsgKey *result)
 {
   if (m_messageKey == nsMsgKey_None && m_mdbRow != nullptr)
   {
     mdbOid outOid;