diff -ruN kservice-5.29.0-orig/src/sycoca/kmimeassociations.cpp kservice-5.29.0/src/sycoca/kmimeassociations.cpp
--- kservice-5.29.0-orig/src/sycoca/kmimeassociations.cpp	2016-12-03 15:10:37.000000000 -0600
+++ kservice-5.29.0/src/sycoca/kmimeassociations.cpp	2016-12-30 20:02:49.000000000 -0600
@@ -59,8 +59,12 @@
     }
     mimeappsFileNames.append(QStringLiteral("mimeapps.list"));
     // list the dirs in the order of the spec (XDG_CONFIG_HOME, XDG_CONFIG_DIRS, XDG_DATA_HOME, XDG_DATA_DIRS)
-    const QStringList mimeappsDirs = QStandardPaths::standardLocations(QStandardPaths::GenericConfigLocation)
+    QStringList mimeappsDirs = QStandardPaths::standardLocations(QStandardPaths::GenericConfigLocation)
                                     + QStandardPaths::standardLocations(QStandardPaths::ApplicationsLocation);
+    mimeappsDirs.removeDuplicates();
+#ifdef Q_OS_MACOS
+    mimeappsDirs.removeAll(QLatin1String("/Applications"));
+#endif
     QStringList mimeappsFiles;
     // collect existing files
     foreach (const QString &dir, mimeappsDirs) {
diff -ruN kservice-5.29.0-orig/src/sycoca/vfolder_menu.cpp kservice-5.29.0/src/sycoca/vfolder_menu.cpp
--- kservice-5.29.0-orig/src/sycoca/vfolder_menu.cpp	2016-12-03 15:10:37.000000000 -0600
+++ kservice-5.29.0/src/sycoca/vfolder_menu.cpp	2016-12-30 20:02:49.000000000 -0600
@@ -793,6 +793,10 @@
 VFolderMenu::initDirs()
 {
     m_defaultAppDirs = QStandardPaths::standardLocations(QStandardPaths::ApplicationsLocation);
+#ifdef Q_OS_MACOS
+    m_defaultAppDirs.removeDuplicates();
+    m_defaultAppDirs.removeAll(QStringLiteral("/Applications"));
+#endif
     m_defaultDirectoryDirs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("desktop-directories"), QStandardPaths::LocateDirectory);
 }