--- a/netwerk/base/moz.build
+++ b/netwerk/base/moz.build
@@ -97,17 +97,16 @@ XPIDL_SOURCES += [
     'nsIRedirectResultListener.idl',
     'nsIRequest.idl',
     'nsIRequestContext.idl',
     'nsIRequestObserver.idl',
     'nsIRequestObserverProxy.idl',
     'nsIResponseHeadProvider.idl',
     'nsIResumableChannel.idl',
     'nsISecCheckWrapChannel.idl',
-    'nsISecretDecoderRing.idl',
     'nsISecureBrowserUI.idl',
     'nsISecurityEventSink.idl',
     'nsISecurityInfoProvider.idl',
     'nsISensitiveInfoHiddenURI.idl',
     'nsISerializationHelper.idl',
     'nsIServerSocket.idl',
     'nsISimpleStreamListener.idl',
     'nsISocketFilter.idl',

--- a/security/manager/ssl/moz.build
+++ b/security/manager/ssl/moz.build
@@ -27,16 +27,17 @@ XPIDL_SOURCES += [
     'nsINSSVersion.idl',
     'nsIPK11Token.idl',
     'nsIPK11TokenDB.idl',
     'nsIPKCS11.idl',
     'nsIPKCS11Module.idl',
     'nsIPKCS11ModuleDB.idl',
     'nsIPKCS11Slot.idl',
     'nsIProtectedAuthThread.idl',
+    'nsISecretDecoderRing.idl',
     'nsISecurityUITelemetry.idl',
     'nsISiteSecurityService.idl',
     'nsISSLStatus.idl',
     'nsISSLStatusProvider.idl',
     'nsITokenDialogs.idl',
     'nsITokenPasswordDialogs.idl',
     'nsIU2FToken.idl',
     'nsIUserCertPicker.idl',

rename from netwerk/base/nsISecretDecoderRing.idl
rename to security/manager/ssl/nsISecretDecoderRing.idl