diff --git a/src/d2m/converters/message-to-event.js b/src/d2m/converters/message-to-event.js
index 7f77b81..b1af2e3 100644
--- a/src/d2m/converters/message-to-event.js
+++ b/src/d2m/converters/message-to-event.js
@@ -582,7 +582,8 @@ async function messageToEvent(message, guild, options = {}, di) {
 			// check that condition 1 or 2 is met
 			if (repliedToEventInDifferentRoom || repliedToUnknownEvent) {
 				let referenced = message.referenced_message
-				if (!referenced) { // backend couldn't be bothered to dereference the message, have to do it ourselves
+				/* c8 ignore next 4 - backend couldn't be bothered to dereference the message, have to do it ourselves */
+				if (!referenced) {
 					assert(message.message_reference?.message_id)
 					referenced = await discord.snow.channel.getChannelMessage(message.message_reference.channel_id, message.message_reference.message_id)
 				}
@@ -905,11 +906,8 @@ async function messageToEvent(message, guild, options = {}, di) {
 			else if (component.type === DiscordTypes.ComponentType.Button) {
 				// May only be a section accessory or in an action row (up to 5)
 				if (component.style === DiscordTypes.ButtonStyle.Link) {
-					if (component.label) {
-						stack.msb.add(`[${component.label} ${component.url}] `, tag`<a href="${component.url}">${component.label}</a> `)
-					} else {
-						stack.msb.add(component.url)
-					}
+					assert(component.label) // required for Discord to validate link buttons
+					stack.msb.add(`[${component.label} ${component.url}] `, tag`<a href="${component.url}">${component.label}</a> `)
 				}
 			}
 
diff --git a/src/m2d/converters/event-to-message.test.js b/src/m2d/converters/event-to-message.test.js
index 629f2b8..aa426cd 100644
--- a/src/m2d/converters/event-to-message.test.js
+++ b/src/m2d/converters/event-to-message.test.js
@@ -4747,17 +4747,17 @@ test("event2message: stickers work", async t => {
 			messagesToEdit: [],
 			messagesToSend: [{
 				username: "cadence [they]",
-				content: "",
+				content: "[get_real2](https://bridge.example.org/download/sticker/cadence.moe/NyMXQFAAdniImbHzsygScbmN/_.webp)",
 				avatar_url: "https://bridge.example.org/download/matrix/cadence.moe/azCAhThKTojXSZJRoWwZmhvU",
-				attachments: [{id: "0", filename: "get_real2.gif"}],
-				pendingFiles: [{name: "get_real2.gif", mxc: "mxc://cadence.moe/NyMXQFAAdniImbHzsygScbmN"}]
+				allowed_mentions: {
+					parse: ["users", "roles"]
+				}
 			}]
 		}
 	)
 })
 
 test("event2message: stickers fetch mimetype from server when mimetype not provided", async t => {
-	let called = 0
 	t.deepEqual(
 		await eventToMessage({
 			type: "m.sticker",
@@ -4768,20 +4768,6 @@ test("event2message: stickers fetch mimetype from server when mimetype not provi
 			},
 			event_id: "$mL-eEVWCwOvFtoOiivDP7gepvf-fTYH6_ioK82bWDI0",
 			room_id: "!kLRqKKUQXcibIMtOpl:cadence.moe"
-		}, {}, {}, {
-			api: {
-				async getMedia(mxc, options) {
-					called++
-					t.equal(mxc, "mxc://cadence.moe/ybOWQCaXysnyUGuUCaQlTGJf")
-					t.equal(options.method, "HEAD")
-					return {
-						status: 200,
-						headers: new Map([
-							["content-type", "image/gif"]
-						])
-					}
-				}
-			}
 		}),
 		{
 			ensureJoined: [],
@@ -4789,48 +4775,14 @@ test("event2message: stickers fetch mimetype from server when mimetype not provi
 			messagesToEdit: [],
 			messagesToSend: [{
 				username: "cadence [they]",
-				content: "",
+				content: "[YESYESYES](https://bridge.example.org/download/sticker/cadence.moe/ybOWQCaXysnyUGuUCaQlTGJf/_.webp)",
 				avatar_url: undefined,
-				attachments: [{id: "0", filename: "YESYESYES.gif"}],
-				pendingFiles: [{name: "YESYESYES.gif", mxc: "mxc://cadence.moe/ybOWQCaXysnyUGuUCaQlTGJf"}]
+				allowed_mentions: {
+					parse: ["users", "roles"]
+				}
 			}]
 		}
 	)
-	t.equal(called, 1, "sticker headers should be fetched")
-})
-
-test("event2message: stickers with unknown mimetype are not allowed", async t => {
-	let called = 0
-	try {
-		await eventToMessage({
-			type: "m.sticker",
-			sender: "@cadence:cadence.moe",
-			content: {
-				body: "something",
-				url: "mxc://cadence.moe/ybOWQCaXysnyUGuUCaQlTGJe"
-			},
-			event_id: "$mL-eEVWCwOvFtoOiivDP7gepvf-fTYH6_ioK82bWDI0",
-			room_id: "!kLRqKKUQXcibIMtOpl:cadence.moe"
-		}, {}, {}, {
-			api: {
-				async getMedia(mxc, options) {
-					called++
-					t.equal(mxc, "mxc://cadence.moe/ybOWQCaXysnyUGuUCaQlTGJe")
-					t.equal(options.method, "HEAD")
-					return {
-						status: 404,
-						headers: new Map([
-							["content-type", "application/json"]
-						])
-					}
-				}
-			}
-		})
-		/* c8 ignore next */
-		t.fail("should throw an error")
-	} catch (e) {
-		t.match(e.toString(), "mimetype")
-	}
 })
 
 test("event2message: static emojis work", async t => {
diff --git a/src/matrix/utils.js b/src/matrix/utils.js
index 9f5cb0f..eee635b 100644
--- a/src/matrix/utils.js
+++ b/src/matrix/utils.js
@@ -225,19 +225,6 @@ async function getViaServersQuery(roomID, api) {
 	return qs
 }
 
-function generatePermittedMediaHash(mxc) {
-	assert(hasher, "xxhash is not ready yet")
-	const mediaParts = mxc?.match(/^mxc:\/\/([^/]+)\/(\w+)$/)
-	if (!mediaParts) return undefined
-
-	const serverAndMediaID = `${mediaParts[1]}/${mediaParts[2]}`
-	const unsignedHash = hasher.h64(serverAndMediaID)
-	const signedHash = unsignedHash - 0x8000000000000000n // shifting down to signed 64-bit range
-	db.prepare("INSERT OR IGNORE INTO media_proxy (permitted_hash) VALUES (?)").run(signedHash)
-
-	return serverAndMediaID
-}
-
 /**
  * Since the introduction of authenticated media, this can no longer just be the /_matrix/media/r0/download URL
  * because Discord and Discord users cannot use those URLs. Media now has to be proxied through the bridge.
diff --git a/src/web/routes/guild-settings.js b/src/web/routes/guild-settings.js
index 62a28a1..ae52825 100644
--- a/src/web/routes/guild-settings.js
+++ b/src/web/routes/guild-settings.js
@@ -134,6 +134,6 @@ as.router.post("/api/default-roles", defineEventHandler(async event => {
 	if (getRequestHeader(event, "HX-Request")) {
 		return pugSync.render(event, "fragments/default-roles-list.pug", {guild, guild_id: guildID})
 	} else {
-		return sendRedirect(event, "", 302)
+		return sendRedirect(event, `/guild?guild_id=${guildID}`, 302)
 	}
 }))