diff -urN Cura-15.02.1.org/Cura/gui/firmwareInstall.py Cura-15.02.1/Cura/gui/firmwareInstall.py
--- Cura-15.02.1.org/Cura/gui/firmwareInstall.py	2015-02-18 21:22:48.000000000 +0100
+++ Cura-15.02.1/Cura/gui/firmwareInstall.py	2015-05-14 22:37:20.963865640 +0200
@@ -17,47 +17,6 @@
 from Cura.util import resources
 
 def getDefaultFirmware(machineIndex = None):
-	machine_type = profile.getMachineSetting('machine_type', machineIndex)
-	extruders = profile.getMachineSettingFloat('extruder_amount', machineIndex)
-	heated_bed = profile.getMachineSetting('has_heated_bed', machineIndex) == 'True'
-	baudrate = 250000
-	if sys.platform.startswith('linux'):
-		baudrate = 115200
-	if machine_type == 'ultimaker':
-		name = 'MarlinUltimaker'
-		if extruders > 2:
-			return None
-		if heated_bed:
-			name += '-HBK'
-		name += '-%d' % (baudrate)
-		if extruders > 1:
-			name += '-dual'
-		return resources.getPathForFirmware(name + '.hex')
-
-	if machine_type == 'ultimaker_plus':
-		name = 'MarlinUltimaker-UMOP-%d' % (baudrate)
-		if extruders > 2:
-			return None
-		if extruders > 1:
-			name += '-dual'
-		return resources.getPathForFirmware(name + '.hex')
-
-	if machine_type == 'ultimaker2':
-		if extruders > 2:
-			return None
-		if extruders > 1:
-			return resources.getPathForFirmware("MarlinUltimaker2-dual.hex")
-		return resources.getPathForFirmware("MarlinUltimaker2.hex")
-	if machine_type == 'ultimaker2go':
-		return resources.getPathForFirmware("MarlinUltimaker2go.hex")
-	if machine_type == 'ultimaker2extended':
-		if extruders > 2:
-			return None
-		if extruders > 1:
-			return resources.getPathForFirmware("MarlinUltimaker2extended-dual.hex")
-		return resources.getPathForFirmware("MarlinUltimaker2extended.hex")
-	if machine_type == 'Witbox':
-		return resources.getPathForFirmware("MarlinWitbox.hex")
 	return None
 
 class InstallFirmware(wx.Dialog):
@@ -68,7 +27,7 @@
 		if filename is None:
 			filename = getDefaultFirmware(machineIndex)
 		if filename is None:
-			wx.MessageBox(_("I am sorry, but Cura does not ship with a default firmware for your machine configuration."), _("Firmware update"), wx.OK | wx.ICON_ERROR)
+			wx.MessageBox(_("I am sorry, but Cura on Fedora does not ship firmware for technical reasons. Please go download it and install it as custom firmware instead."), _("Firmware update"), wx.OK | wx.ICON_ERROR)
 			self.Destroy()
 			return
 		self._machine_type = profile.getMachineSetting('machine_type', machineIndex)
diff -urN Cura-15.02.1.org/Cura/gui/mainWindow.py Cura-15.02.1/Cura/gui/mainWindow.py
--- Cura-15.02.1.org/Cura/gui/mainWindow.py	2015-02-18 21:22:48.000000000 +0100
+++ Cura-15.02.1/Cura/gui/mainWindow.py	2015-05-14 22:37:36.827577248 +0200
@@ -375,7 +375,6 @@
 			self.splitter.SetSashPosition(self.normalSashPos, True)
 			# Enabled sash
 			self.splitter.SetSashSize(4)
-		self.defaultFirmwareInstallMenuItem.Enable(firmwareInstall.getDefaultFirmware() is not None)
 		if profile.getMachineSetting('machine_type').startswith('ultimaker2'):
 			self.bedLevelWizardMenuItem.Enable(False)
 			self.headOffsetWizardMenuItem.Enable(False)
@@ -483,9 +482,6 @@
 		#Add tools for machines.
 		self.machineMenu.AppendSeparator()
 
-		self.defaultFirmwareInstallMenuItem = self.machineMenu.Append(-1, _("Install default firmware..."))
-		self.Bind(wx.EVT_MENU, self.OnDefaultMarlinFirmware, self.defaultFirmwareInstallMenuItem)
-
 		i = self.machineMenu.Append(-1, _("Install custom firmware..."))
 		self.Bind(wx.EVT_MENU, self.OnCustomFirmware, i)