diff -r -U3 spyder-3.3.1.orig/setup.py spyder-3.3.1/setup.py
--- spyder-3.3.1.orig/setup.py	2018-08-10 10:46:02.000000000 +0700
+++ spyder-3.3.1/setup.py	2018-08-14 19:16:10.921323804 +0700
@@ -83,12 +83,7 @@
 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',
@@ -112,21 +107,6 @@
 
 
 #==============================================================================
-# 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
@@ -210,8 +190,7 @@
                  'Intended Audience :: Science/Research',
                  'Intended Audience :: Developers',
                  'Topic :: Scientific/Engineering',
-                 'Topic :: Software Development :: Widget Sets'],
-    cmdclass=CMDCLASS)
+                 'Topic :: Software Development :: Widget Sets'])
 
 
 #==============================================================================
