diff --git a/conf/distro/include/mortsgna-armv7-tune.inc b/conf/distro/include/mortsgna-armv7-tune.inc
index b5c1d06..a6c9b29 100644
--- a/conf/distro/include/mortsgna-armv7-tune.inc
+++ b/conf/distro/include/mortsgna-armv7-tune.inc
@@ -1,9 +1,9 @@
 def armv7_tune_handler(d):
-    tune = d.getVar('DEFAULTTUNE', True)
+    tune = d.getVar('DEFAULTTUNE')
     # set MORTSGNA_ARMV7_TUNE="1" in your local.conf to reduce all cortex variants
     # to common tune value
-    if d.getVar('MORTSGNA_ARMV7_TUNE', True) == '1':
-        features = d.getVar('TUNE_FEATURES', True).split()
+    if d.getVar('MORTSGNA_ARMV7_TUNE') == '1':
+        features = d.getVar('TUNE_FEATURES').split()
         if 'armv7a' in features or 'armv7ve' in features:
             tune = 'armv7athf'
             if 'bigendian' in features:
@@ -11,7 +11,7 @@ def armv7_tune_handler(d):
             if 'neon' in features:
                 tune += '-neon'
         else:
-            tune = d.getVar('DEFAULTTUNE', True)
+            tune = d.getVar('DEFAULTTUNE')
 
     return tune