diff --git a/src/api/client/keys.rs b/src/api/client/keys.rs
index 6865c2a4..adbdd715 100644
--- a/src/api/client/keys.rs
+++ b/src/api/client/keys.rs
@@ -11,7 +11,7 @@ use ruma::{
 			error::ErrorKind,
 			keys::{
 				claim_keys, get_key_changes, get_keys, upload_keys,
-				upload_signatures::{self, v3::Failure},
+				upload_signatures::{self},
 				upload_signing_keys,
 			},
 			uiaa::{AuthFlow, AuthType, UiaaInfo},
@@ -308,82 +308,59 @@ async fn check_for_new_keys(
 ///
 /// Uploads end-to-end key signatures from the sender user.
 ///
-/// TODO: clean this timo-code up more. tried to improve it a bit to stop
-/// exploding the entire request on bad sigs, but needs way more work.
+/// TODO: clean this timo-code up more and integrate failures. tried to improve
+/// it a bit to stop exploding the entire request on bad sigs, but needs way
+/// more work.
 pub(crate) async fn upload_signatures_route(
 	State(services): State<crate::State>,
 	body: Ruma<upload_signatures::v3::Request>,
 ) -> Result<upload_signatures::v3::Response> {
-	use upload_signatures::v3::FailureErrorCode::*;
-
 	if body.signed_keys.is_empty() {
 		debug!("Empty signed_keys sent in key signature upload");
 		return Ok(upload_signatures::v3::Response::new());
 	}
 
 	let sender_user = body.sender_user();
-	let mut failures: BTreeMap<OwnedUserId, BTreeMap<String, Failure>> = BTreeMap::new();
-	let mut failure_reasons: BTreeMap<String, Failure> = BTreeMap::new();
-	let failure = Failure {
-		errcode: InvalidSignature,
-		error: String::new(),
-	};
 
 	for (user_id, keys) in &body.signed_keys {
 		for (key_id, key) in keys {
 			let Ok(key) = serde_json::to_value(key)
 				.inspect_err(|e| debug_warn!(?key_id, "Invalid \"key\" JSON: {e}"))
 			else {
-				let mut failure = failure.clone();
-				failure.error = String::from("Invalid \"key\" JSON");
-				failure_reasons.insert(key_id.to_owned(), failure);
 				continue;
 			};
 
 			let Some(signatures) = key.get("signatures") else {
-				let mut failure = failure.clone();
-				failure.error = String::from("Missing \"signatures\" field");
-				failure_reasons.insert(key_id.to_owned(), failure);
 				continue;
 			};
 
 			let Some(sender_user_val) = signatures.get(sender_user.to_string()) else {
-				let mut failure = failure.clone();
-				failure.error = String::from("Invalid user in signatures field");
-				failure_reasons.insert(key_id.to_owned(), failure);
 				continue;
 			};
 
 			let Some(sender_user_object) = sender_user_val.as_object() else {
-				let mut failure = failure.clone();
-				failure.error = String::from("signatures field is not a JSON object");
-				failure_reasons.insert(key_id.to_owned(), failure);
 				continue;
 			};
 
 			for (signature, val) in sender_user_object.clone() {
-				let signature = (signature, val.to_string());
+				let Some(val) = val.as_str().map(ToOwned::to_owned) else {
+					continue;
+				};
+				let signature = (signature, val);
 
-				if let Err(e) = services
+				if let Err(_e) = services
 					.users
 					.sign_key(user_id, key_id, signature, sender_user)
 					.await
 					.inspect_err(|e| debug_warn!("{e}"))
 				{
-					let mut failure = failure.clone();
-					failure.error = format!("Error signing key: {e}");
-					failure_reasons.insert(key_id.to_owned(), failure);
 					continue;
 				}
 			}
 		}
-
-		if !failure_reasons.is_empty() {
-			failures.insert(user_id.to_owned(), failure_reasons.clone());
-		}
 	}
 
-	Ok(upload_signatures::v3::Response { failures })
+	Ok(upload_signatures::v3::Response { failures: BTreeMap::new() })
 }
 
 /// # `POST /_matrix/client/r0/keys/changes`