diff --git a/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.inx b/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.inx
index 17de5c2..b514372 100644
--- a/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.inx
+++ b/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.inx
@@ -50,7 +50,6 @@
             </param>
             <param name="thickness" type="float" precision="2" min="0.0" max="10000.0" gui-text="    Material Thickness">3.0</param>
             <param name="kerf" type="float" precision="3" min="0.0" max="10000.0" gui-text="    Kerf (cut width)">0.1</param>
-            <param name="clearance" type="float" precision="3" min="0.0" max="10000.0" gui-text="    Joint clearance">0.01</param>
             <spacer />
             <label>Layout</label>
             <separator />
diff --git a/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.py b/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.py
index 05d0ccd..5108d37 100644
--- a/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.py
+++ b/extensions/fablabchemnitz/box_maker_tabbed/box_maker_tabbed.py
@@ -351,7 +351,6 @@ class BoxMaker(inkex.EffectExtension):
     pars.add_argument('--hairline',type=int,default=0,help='Line Thickness')
     pars.add_argument('--thickness',type=float,default=10,help='Thickness of Material')
     pars.add_argument('--kerf',type=float,default=0.5,help='Kerf (width) of cut')
-    pars.add_argument('--clearance',type=float,default=0.01,help='Clearance of joints')
     pars.add_argument('--style',type=int,default=25,help='Layout/Style')
     pars.add_argument('--spacing',type=float,default=25,help='Part Spacing')
     pars.add_argument('--boxtype',type=int,default=25,help='Box type')