--- a/dom/security/test/csp/mochitest.ini
+++ b/dom/security/test/csp/mochitest.ini
@@ -187,78 +187,67 @@ support-files =
   file_data-uri_blocked.html
   file_data-uri_blocked.html^headers^
 
 [test_base-uri.html]
 [test_blob_data_schemes.html]
 [test_connect-src.html]
 [test_CSP.html]
 [test_allow_https_schemes.html]
-skip-if = buildapp == 'b2g' #no ssl support
 [test_bug663567.html]
 [test_bug802872.html]
 [test_bug885433.html]
 [test_bug888172.html]
 [test_evalscript.html]
 [test_frameancestors.html]
-skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || toolkit == 'android' # Times out, not sure why (bug 1008445)
+skip-if = toolkit == 'android' # Times out, not sure why (bug 1008445)
 [test_inlinescript.html]
 [test_inlinestyle.html]
 [test_invalid_source_expression.html]
 [test_bug836922_npolicies.html]
 [test_bug886164.html]
 [test_redirects.html]
 [test_bug910139.html]
 [test_bug909029.html]
 [test_bug1229639.html]
 [test_policyuri_regression_from_multipolicy.html]
 [test_nonce_source.html]
 [test_bug941404.html]
 [test_form-action.html]
-skip-if = buildapp == 'b2g' # http-on-opening-request observers are not available in child processes
 [test_hash_source.html]
-skip-if = buildapp == 'b2g' # can't compute hashes in child process (bug 958702)
 [test_scheme_relative_sources.html]
-skip-if = buildapp == 'b2g' #no ssl support
 [test_ignore_unsafe_inline.html]
 [test_self_none_as_hostname_confusion.html]
 [test_path_matching.html]
 [test_path_matching_redirect.html]
 [test_report_uri_missing_in_report_only_header.html]
 [test_report.html]
 [test_301_redirect.html]
-skip-if = buildapp == 'b2g' # intermittent orange (bug 1028490)
 [test_302_redirect.html]
-skip-if = buildapp == 'b2g' # intermittent orange (bug 1028490)
 [test_303_redirect.html]
-skip-if = buildapp == 'b2g' # intermittent orange (bug 1028490)
 [test_307_redirect.html]
-skip-if = buildapp == 'b2g' # intermittent orange (bug 1028490)
 [test_subframe_run_js_if_allowed.html]
 [test_leading_wildcard.html]
 [test_multi_policy_injection_bypass.html]
 [test_null_baseuri.html]
 [test_referrerdirective.html]
-skip-if = buildapp == 'b2g' #no ssl support
 [test_dual_header.html]
 [test_upgrade_insecure.html]
 # no ssl support as well as websocket tests do not work (see test_websocket.html)
-skip-if = buildapp == 'b2g' || buildapp == 'mulet' || toolkit == 'gonk' || toolkit == 'android'
+skip-if = toolkit == 'android'
 [test_upgrade_insecure_reporting.html]
-skip-if = buildapp == 'b2g' || toolkit == 'gonk' || toolkit == 'android'
+skip-if = toolkit == 'android'
 [test_upgrade_insecure_referrer.html]
-skip-if = buildapp == 'b2g' || toolkit == 'gonk' || toolkit == 'android'
+skip-if = toolkit == 'android'
 [test_upgrade_insecure_cors.html]
-skip-if = buildapp == 'b2g' || toolkit == 'gonk' || toolkit == 'android'
+skip-if = toolkit == 'android'
 [test_report_for_import.html]
 [test_blocked_uri_in_reports.html]
 [test_service_worker.html]
-skip-if = buildapp == 'b2g' #no ssl support
 [test_child-src_worker.html]
-skip-if = buildapp == 'b2g' #investigate in bug 1222904
 [test_shouldprocess.html]
 # Fennec platform does not support Java applet plugin
 skip-if = toolkit == 'android' #investigate in bug 1250814
 [test_child-src_worker_data.html]
 [test_child-src_worker-redirect.html]
 [test_child-src_iframe.html]
 [test_meta_element.html]
 [test_meta_header_dual.html]

--- a/dom/security/test/mixedcontentblocker/mochitest.ini
+++ b/dom/security/test/mixedcontentblocker/mochitest.ini
@@ -11,13 +11,13 @@ support-files =
   file_main.html
   file_main_bug803225.html
   file_main_bug803225_websocket_wsh.py
   file_server.sjs
   !/dom/media/test/320x240.ogv
   !/image/test/mochitest/blue.png
 
 [test_main.html]
-skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT, SSL_REQUIRED # Bug 1141029 Mulet parity with B2G Desktop for TC
+skip-if = toolkit == 'android' #TIMED_OUT
 [test_bug803225.html]
-skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT, SSL_REQUIRED # Bug 1141029 Mulet parity with B2G Desktop for TC
+skip-if = toolkit == 'android' #TIMED_OUT
 [test_frameNavigation.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT, SSL_REQUIRED
+skip-if = toolkit == 'android' #TIMED_OUT

--- a/dom/security/test/unit/xpcshell.ini
+++ b/dom/security/test/unit/xpcshell.ini
@@ -1,9 +1,7 @@
 [DEFAULT]
 head =
 tail =
-skip-if = toolkit == 'gonk'
 
 [test_csp_reports.js]
-skip-if = buildapp == 'mulet'
 [test_isOriginPotentiallyTrustworthy.js]
 [test_csp_upgrade_insecure_request_header.js]