diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/README.md b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/README.md
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+++ b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/README.md
@@ -0,0 +1,37 @@
+This
+directory
+contains
+an
+experimental
+feature
+that
+is
+not
+currently
+standardized
+due
+to
+a
+security
+issue
+.
+Support
+was
+removed
+in
+https
+:
+/
+/
+github
+.
+com
+/
+whatwg
+/
+html
+/
+pull
+/
+4943
+.
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/invalid-content-type.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/invalid-content-type.tentative.html
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rename from testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/invalid-content-type.html
rename to testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/invalid-content-type.tentative.html
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/module.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/module.tentative.html
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rename from testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/module.html
rename to testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/module.tentative.html
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/non-object.any.js b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/non-object.tentative.any.js
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rename from testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/non-object.any.js
rename to testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/non-object.tentative.any.js
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/parse-error.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/parse-error.tentative.html
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rename from testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/parse-error.html
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diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/utf8.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/utf8.tentative.html
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rename from testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/utf8.html
rename to testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/utf8.tentative.html
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/valid-content-type.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/valid-content-type.tentative.html
similarity index 100%
rename from testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/valid-content-type.html
rename to testing/web-platform/tests/html/semantics/scripting-1/the-script-element/json-module/valid-content-type.tentative.html