diff -r -U3 spyder-3.3.0.orig/setup.py spyder-3.3.0/setup.py
--- spyder-3.3.0.orig/setup.py	2018-06-27 11:28:24.000000000 +0700
+++ spyder-3.3.0/setup.py	2018-08-07 23:26:17.609046673 +0700
@@ -75,12 +75,7 @@
 def get_data_files():
     """Return data_files in a platform dependent manner"""
     if sys.platform.startswith('linux'):
-        if PY3:
-            data_files = [('share/applications', ['scripts/spyder3.desktop']),
-                          ('share/icons', ['img_src/spyder3.png']),
-                          ('share/metainfo', ['scripts/spyder3.appdata.xml'])]
-        else:
-            data_files = [('share/applications', ['scripts/spyder.desktop']),
+        data_files = [('share/applications', ['scripts/spyder.desktop']),
                           ('share/icons', ['img_src/spyder.png'])]
     elif os.name == 'nt':
         data_files = [('scripts', ['img_src/spyder.ico',
@@ -104,21 +99,6 @@
 
 
 #==============================================================================
-# Make Linux detect Spyder desktop file
-#==============================================================================
-class MyInstallData(install_data):
-    def run(self):
-        install_data.run(self)
-        if sys.platform.startswith('linux'):
-            try:
-                subprocess.call(['update-desktop-database'])
-            except:
-                print("ERROR: unable to update desktop database",
-                      file=sys.stderr)
-CMDCLASS = {'install_data': MyInstallData}
-
-
-#==============================================================================
 # Main scripts
 #==============================================================================
 # NOTE: the '[...]_win_post_install.py' script is installed even on non-Windows
@@ -178,8 +158,7 @@
                    'Programming Language :: Python :: 3',
                    'Development Status :: 5 - Production/Stable',
                    'Topic :: Scientific/Engineering',
-                   'Topic :: Software Development :: Widget Sets'],
-      cmdclass=CMDCLASS)
+                   'Topic :: Software Development :: Widget Sets'])
 
 
 #==============================================================================