diff --git a/ed/dfns/crash-reporting.json b/ed/dfns/crash-reporting.json
deleted file mode 100644
index dc4414ede6ba..000000000000
--- a/ed/dfns/crash-reporting.json
+++ /dev/null
@@ -1,74 +0,0 @@
-{
-  "spec": {
-    "title": "Crash Reporting",
-    "url": "https://wicg.github.io/crash-reporting/"
-  },
-  "dfns": [
-    {
-      "id": "crash-reports",
-      "href": "https://wicg.github.io/crash-reporting/#crash-reports",
-      "linkingText": [
-        "Crash reports"
-      ],
-      "localLinkingText": [],
-      "type": "dfn",
-      "for": [],
-      "access": "private",
-      "informative": false
-    },
-    {
-      "id": "crashreportbody",
-      "href": "https://wicg.github.io/crash-reporting/#crashreportbody",
-      "linkingText": [
-        "CrashReportBody"
-      ],
-      "localLinkingText": [],
-      "type": "interface",
-      "for": [],
-      "access": "public",
-      "informative": false
-    },
-    {
-      "id": "dom-crashreportbody-tojson",
-      "href": "https://wicg.github.io/crash-reporting/#dom-crashreportbody-tojson",
-      "linkingText": [
-        "toJSON()"
-      ],
-      "localLinkingText": [],
-      "type": "method",
-      "for": [
-        "CrashReportBody"
-      ],
-      "access": "public",
-      "informative": false
-    },
-    {
-      "id": "dom-crashreportbody-reason",
-      "href": "https://wicg.github.io/crash-reporting/#dom-crashreportbody-reason",
-      "linkingText": [
-        "reason"
-      ],
-      "localLinkingText": [],
-      "type": "attribute",
-      "for": [
-        "CrashReportBody"
-      ],
-      "access": "public",
-      "informative": false
-    },
-    {
-      "id": "crashreportbody-reason",
-      "href": "https://wicg.github.io/crash-reporting/#crashreportbody-reason",
-      "linkingText": [
-        "reason"
-      ],
-      "localLinkingText": [],
-      "type": "dfn",
-      "for": [
-        "CrashReportBody"
-      ],
-      "access": "private",
-      "informative": false
-    }
-  ]
-}
\ No newline at end of file
diff --git a/ed/idl/crash-reporting.idl b/ed/idl/crash-reporting.idl
deleted file mode 100644
index 7e34e961ff68..000000000000
--- a/ed/idl/crash-reporting.idl
+++ /dev/null
@@ -1,10 +0,0 @@
-// GENERATED CONTENT - DO NOT EDIT
-// Content was automatically extracted by Reffy into reffy-reports
-// (https://github.com/tidoust/reffy-reports)
-// Source: Crash Reporting (https://wicg.github.io/crash-reporting/)
-
-[Exposed=(Window,Worker)]
-interface CrashReportBody : ReportBody {
-  [Default] object toJSON();
-  readonly attribute DOMString? reason;
-};
diff --git a/tr/dfns/crash-reporting.json b/tr/dfns/crash-reporting.json
deleted file mode 100644
index dc4414ede6ba..000000000000
--- a/tr/dfns/crash-reporting.json
+++ /dev/null
@@ -1,74 +0,0 @@
-{
-  "spec": {
-    "title": "Crash Reporting",
-    "url": "https://wicg.github.io/crash-reporting/"
-  },
-  "dfns": [
-    {
-      "id": "crash-reports",
-      "href": "https://wicg.github.io/crash-reporting/#crash-reports",
-      "linkingText": [
-        "Crash reports"
-      ],
-      "localLinkingText": [],
-      "type": "dfn",
-      "for": [],
-      "access": "private",
-      "informative": false
-    },
-    {
-      "id": "crashreportbody",
-      "href": "https://wicg.github.io/crash-reporting/#crashreportbody",
-      "linkingText": [
-        "CrashReportBody"
-      ],
-      "localLinkingText": [],
-      "type": "interface",
-      "for": [],
-      "access": "public",
-      "informative": false
-    },
-    {
-      "id": "dom-crashreportbody-tojson",
-      "href": "https://wicg.github.io/crash-reporting/#dom-crashreportbody-tojson",
-      "linkingText": [
-        "toJSON()"
-      ],
-      "localLinkingText": [],
-      "type": "method",
-      "for": [
-        "CrashReportBody"
-      ],
-      "access": "public",
-      "informative": false
-    },
-    {
-      "id": "dom-crashreportbody-reason",
-      "href": "https://wicg.github.io/crash-reporting/#dom-crashreportbody-reason",
-      "linkingText": [
-        "reason"
-      ],
-      "localLinkingText": [],
-      "type": "attribute",
-      "for": [
-        "CrashReportBody"
-      ],
-      "access": "public",
-      "informative": false
-    },
-    {
-      "id": "crashreportbody-reason",
-      "href": "https://wicg.github.io/crash-reporting/#crashreportbody-reason",
-      "linkingText": [
-        "reason"
-      ],
-      "localLinkingText": [],
-      "type": "dfn",
-      "for": [
-        "CrashReportBody"
-      ],
-      "access": "private",
-      "informative": false
-    }
-  ]
-}
\ No newline at end of file
diff --git a/tr/idl/crash-reporting.idl b/tr/idl/crash-reporting.idl
deleted file mode 100644
index 7e34e961ff68..000000000000
--- a/tr/idl/crash-reporting.idl
+++ /dev/null
@@ -1,10 +0,0 @@
-// GENERATED CONTENT - DO NOT EDIT
-// Content was automatically extracted by Reffy into reffy-reports
-// (https://github.com/tidoust/reffy-reports)
-// Source: Crash Reporting (https://wicg.github.io/crash-reporting/)
-
-[Exposed=(Window,Worker)]
-interface CrashReportBody : ReportBody {
-  [Default] object toJSON();
-  readonly attribute DOMString? reason;
-};