diff --git a/ed/idlpatches/CSP.idl.patch b/ed/idlpatches/CSP.idl.patch
deleted file mode 100644
index 533491b1a6ff..000000000000
--- a/ed/idlpatches/CSP.idl.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-From 85479132134d3bdedda543910b0559ffa895c4af Mon Sep 17 00:00:00 2001
-From: Francois Daoust <fd@tidoust.net>
-Date: Mon, 16 Jun 2025 12:09:32 +0200
-Subject: [PATCH] Turn interface into dictionary
-
-Pending complete resolution of:
-https://github.com/w3c/reporting/issues/216
----
- ed/idl/CSP.idl | 26 ++++++++++++--------------
- 1 file changed, 12 insertions(+), 14 deletions(-)
-
-diff --git a/ed/idl/CSP.idl b/ed/idl/CSP.idl
-index d4a6377ebb..cee3015c7e 100644
---- a/ed/idl/CSP.idl
-+++ b/ed/idl/CSP.idl
-@@ -3,20 +3,18 @@
- // (https://github.com/w3c/webref)
- // Source: Content Security Policy Level 3 (https://w3c.github.io/webappsec-csp/)
- 
--[Exposed=Window]
--interface CSPViolationReportBody : ReportBody {
--  [Default] object toJSON();
--  readonly attribute USVString documentURL;
--  readonly attribute USVString? referrer;
--  readonly attribute USVString? blockedURL;
--  readonly attribute DOMString effectiveDirective;
--  readonly attribute DOMString originalPolicy;
--  readonly attribute USVString? sourceFile;
--  readonly attribute DOMString? sample;
--  readonly attribute SecurityPolicyViolationEventDisposition disposition;
--  readonly attribute unsigned short statusCode;
--  readonly attribute unsigned long? lineNumber;
--  readonly attribute unsigned long? columnNumber;
-+dictionary CSPViolationReportBody : ReportBody {
-+  USVString documentURL;
-+  USVString? referrer;
-+  USVString? blockedURL;
-+  DOMString effectiveDirective;
-+  DOMString originalPolicy;
-+  USVString? sourceFile;
-+  DOMString? sample;
-+  SecurityPolicyViolationEventDisposition disposition;
-+  unsigned short statusCode;
-+  unsigned long? lineNumber;
-+  unsigned long? columnNumber;
- };
- 
- enum SecurityPolicyViolationEventDisposition {
--- 
-2.37.1.windows.1
-