--- a/dom/canvas/test/webgl-mochitest/mochitest.ini
+++ b/dom/canvas/test/webgl-mochitest/mochitest.ini
@@ -8,27 +8,27 @@ support-files =
   webgl-util.js
   test_video_fastpath.js
   red-green.mp4
   red-green.theora.ogv
   red-green.webmvp8.webm
   red-green.webmvp9.webm
 
 [ensure-exts/test_ANGLE_instanced_arrays.html]
-fail-if = (os == 'android') || (os == 'mac' && os_version == '10.6')
+fail-if = (os == 'android')
 [ensure-exts/test_EXT_blend_minmax.html]
 fail-if = (os == 'android')
 [ensure-exts/test_EXT_color_buffer_half_float.html]
 fail-if = (os == 'android')
 [ensure-exts/test_EXT_disjoint_timer_query.html]
 fail-if = 1
 [ensure-exts/test_EXT_frag_depth.html]
 fail-if = (os == 'android')
 [ensure-exts/test_EXT_sRGB.html]
-fail-if = (os == 'android') || (os == 'mac' && os_version == '10.6')
+fail-if = (os == 'android')
 [ensure-exts/test_EXT_shader_texture_lod.html]
 fail-if = (os == 'android')
 [ensure-exts/test_EXT_texture_filter_anisotropic.html]
 fail-if = (os == 'android') || (os == 'linux')
 [ensure-exts/test_OES_standard_derivatives.html]
 fail-if = (os == 'android')
 [ensure-exts/test_WEBGL_color_buffer_float.html]
 fail-if = (os == 'android')
@@ -38,17 +38,16 @@ fail-if = (os == 'android') || (os == 'l
 fail-if = (os == 'android') || (os == 'mac') || (os == 'win')
 [ensure-exts/test_WEBGL_compressed_texture_etc1.html]
 fail-if = (os == 'linux') || (os == 'mac') || (os == 'win')
 [ensure-exts/test_WEBGL_compressed_texture_pvrtc.html]
 fail-if = (os == 'android') || (os == 'linux') || (os == 'mac') || (os == 'win')
 [ensure-exts/test_WEBGL_compressed_texture_s3tc.html]
 fail-if = (os == 'android')
 [ensure-exts/test_WEBGL_depth_texture.html]
-fail-if = (os == 'mac' && os_version == '10.6')
 [ensure-exts/test_WEBGL_draw_buffers.html]
 fail-if = (os == 'android') || (os == 'win' && os_version == '5.1')
 
 [ensure-exts/test_common.html]
 
 
 [regress/test_bug_1268096.html]