7f5ad477_ebug_Preferences___FirebugWiki__UI_Equivalents
[Option] omitObjectPathStack [Description] Specifies whether to omit the display of the object path stack inside the Stack Side Panel [Valid Values] true, false [Default] false [UI Equivalents] 
Stack Side Panel Options Mini Menu->Omit Toolbar Stack
Firebug Preferences - FirebugWiki