diff --git a/browser/devtools/styleeditor/test/Makefile.in b/browser/devtools/styleeditor/test/Makefile.in
index 95ef1121f73..a3339d3571f 100644
--- a/browser/devtools/styleeditor/test/Makefile.in
+++ b/browser/devtools/styleeditor/test/Makefile.in
@@ -18,7 +18,7 @@ _BROWSER_TEST_FILES = \
                  browser_styleeditor_cmd_edit.html \
                  browser_styleeditor_import.js \
                  browser_styleeditor_init.js \
-                 browser_styleeditor_loading.js \
+                 $(filter disabled-temporarily--bug-817294, browser_styleeditor_loading.js) \
                  browser_styleeditor_new.js \
                  browser_styleeditor_passedinsheet.js \
                  browser_styleeditor_pretty.js \