diff --git a/dom/mobileconnection/tests/marionette/manifest.ini b/dom/mobileconnection/tests/marionette/manifest.ini
index 9354492969e..8c7a5d06706 100644
--- a/dom/mobileconnection/tests/marionette/manifest.ini
+++ b/dom/mobileconnection/tests/marionette/manifest.ini
@@ -5,14 +5,17 @@ qemu = true
 
 [test_mobile_networks.js]
 [test_mobile_voice_state.js]
+disabled = Bug 999458
 [test_mobile_voice_location.js]
 [test_mobile_operator_names.js]
 [test_mobile_operator_names_plmnlist.js]
+disabled = Bug 999458
 [test_mobile_operator_names_roaming.js]
 [test_mobile_preferred_network_type.js]
 [test_mobile_data_connection.js]
 [test_mobile_data_location.js]
 [test_mobile_data_state.js]
+disabled = Bug 999458
 [test_mobile_mmi.js]
 [test_mobile_mmi_change_pin.js]
 [test_mobile_roaming_preference.js]
@@ -26,4 +29,4 @@ qemu = true
 [test_mobile_signal_strength.js]
 [test_mobile_data_ipv6.js]
 disabled = Bug 979137
-[test_dsds_mobile_data_connection.js]
\ No newline at end of file
+[test_dsds_mobile_data_connection.js]