diff --git a/devtools/client/framework/test/browser.ini b/devtools/client/framework/test/browser.ini
index 03c0d30fd7a9..de91c1ea9c86 100644
--- a/devtools/client/framework/test/browser.ini
+++ b/devtools/client/framework/test/browser.ini
@@ -154,4 +154,4 @@ fail-if = fission
 [../../../../browser/base/content/test/static/browser_parsable_css.js]
 skip-if = debug || asan || (os == 'linux' && bits == 32) # no point in running on both opt and debug, and will likely intermittently timeout on debug
 [../../../../browser/base/content/test/static/browser_all_files_referenced.js]
-skip-if = debug || asan || bits == 32 # no point in running on both opt and debug, and will likely intermittently timeout on debug
+skip-if = debug || asan || bits == 32 || coverage # no point in running on both opt and debug, and will likely intermittently timeout on debug