diff --git a/apps/speedalt/settings.js b/apps/speedalt/settings.js
index feec371b2..6a0a43772 100644
--- a/apps/speedalt/settings.js
+++ b/apps/speedalt/settings.js
@@ -4,49 +4,37 @@
   /*
   function save(key, value) {
     settings[key] = value;
-    require('Storage').write('settings.json',settings);
+    require('Storage').write('speedalt.json',settings);
   }
   */
 
   function setUnits(m,u) {
     settings['spd'] = m;
     settings['spd_unit'] = u;
-    require('Storage').write('settings.json',settings);
+    require('Storage').write('speedalt.json',settings);
   }
 
   function setUnitsAlt(m,u) {
     settings['alt'] = m;
     settings['alt_unit'] = u;
-    require('Storage').write('settings.json',settings);
+    require('Storage').write('speedalt.json',settings);
   }
 
   function setTime(b) {
     settings['time'] = b;
-    require('Storage').write('settings.json',settings);
-  }
-
-  function setDimLevel(b) {
-    settings['dim_b'] = b;
-    require('Storage').write('settings.json',settings);
-  }
-  
-  function setDimDelay(m) {
-    settings['dim_m'] = m;
-    require('Storage').write('settings.json',settings);
+    require('Storage').write('speedalt.json',settings);
   }
 
   function setColour(c) {
     settings['colour'] = c;
-    require('Storage').write('settings.json',settings);
+    require('Storage').write('speedalt.json',settings);
   }
   
   const appMenu = {
     '': {'title': 'GPS Speed Alt'},
     '< Back': back,
     "Units" : function() { E.showMenu(unitsMenu); },
-    "Colours" : function() { E.showMenu(colMenu); },
-    "Power Saving Timeout" : function() { E.showMenu(dimDelayMenu); },
-    "Power Saving Brightness" : function() { E.showMenu(dimLevelMenu); }
+    "Colours" : function() { E.showMenu(colMenu); }
   };
   
   const unitsMenu = {
@@ -61,27 +49,6 @@
     "Feet (alt)" : function() { setUnitsAlt(0.3048,'feet'); }
   };
 
-  const dimDelayMenu = {
-    '': {'title': 'Reduce Display'},
-    '< Back': function() { E.showMenu(appMenu); },
-    'never' : function() { setDimDelay(0); },
-    "1 min" : function() { setDimDelay(1); },
-    "2 mins" : function() { setDimDelay(2); },
-    "5 mins" : function() { setDimDelay(5); },
-    "10 mins" : function() { setDimDelay(10); },
-    "15 mins" : function() { setDimDelay(15); }
-  };
-
-  const dimLevelMenu = {
-    '': {'title': 'Display Brightness'},
-    '< Back': function() { E.showMenu(appMenu); },
-    '80%' : function() { setDimLevel(0.8); },
-    "60%" : function() { setDimLevel(0.6); },
-    "40%" : function() { setDimLevel(0.4); },
-    "20%" : function() { setDimLevel(0.2); },
-    "0%" : function() { setDimLevel(0); }
-  };
-
   const colMenu = {
     '': {'title': 'Colours'},
     '< Back': function() { E.showMenu(appMenu); },