diff --git a/edu-sync/src/config.rs b/edu-sync/src/config.rs
index 41fdd80..846da29 100644
--- a/edu-sync/src/config.rs
+++ b/edu-sync/src/config.rs
@@ -203,7 +203,8 @@ impl Config {
         if matches!(&string_result, Err(err) if err.kind() == ErrorKind::NotFound) {
             return Ok(Self::default());
         }
-        toml::from_str(&string_result?).map_err(Into::into)
+        let config = toml::from_str(&string_result?)?;
+        Ok(config)
     }
 
     pub async fn write(&self) -> io::Result<()> {
diff --git a/edu-ws/src/ajax.rs b/edu-ws/src/ajax.rs
index 80f290d..7af78ac 100644
--- a/edu-ws/src/ajax.rs
+++ b/edu-ws/src/ajax.rs
@@ -74,11 +74,9 @@ impl Client {
             .post(self.ajax_url.clone())
             .json(&requests)
             .send()
-            .await
-            .map_err(ReceiveError::HttpError)?
+            .await?
             .json::<UntaggedResultHelper<Vec<AjaxResult<T>>, RequestError>>()
-            .await
-            .map_err(ReceiveError::HttpError)?
+            .await?
             .0?
             .into_iter()
             .map(Into::into)
@@ -87,15 +85,17 @@ impl Client {
     }
 
     pub async fn get_config(&self) -> Result<Config, Error> {
-        self.call_ajax(&[Request {
-            method: "tool_mobile_get_public_config",
-            arguments: HashMap::new(),
-        }])
-        .await?
-        .into_iter()
-        .next()
-        .unwrap()
-        .map_err(Into::into)
+        let config = self
+            .call_ajax(&[Request {
+                method: "tool_mobile_get_public_config",
+                arguments: HashMap::new(),
+            }])
+            .await?
+            .into_iter()
+            .next()
+            .unwrap()?;
+
+        Ok(config)
     }
 }
 
@@ -122,8 +122,8 @@ pub enum Error {
 pub enum ReceiveError {
     #[error(transparent)]
     RequestError(#[from] RequestError),
-    #[error("{0}")]
-    HttpError(reqwest::Error),
+    #[error(transparent)]
+    HttpError(#[from] reqwest::Error),
 }
 
 #[cfg(test)]
diff --git a/edu-ws/src/token/login.rs b/edu-ws/src/token/login.rs
index 571d079..8ba4e9d 100644
--- a/edu-ws/src/token/login.rs
+++ b/edu-ws/src/token/login.rs
@@ -61,7 +61,8 @@ impl Client {
             service: &'a str,
         }
 
-        self.http_client
+        let response = self
+            .http_client
             .post(self.login_url.clone())
             .query(&LoginRequest {
                 username,
@@ -69,13 +70,12 @@ impl Client {
                 service: "moodle_mobile_app",
             })
             .send()
-            .await
-            .map_err(ReceiveError::HttpError)?
+            .await?
             .json::<UntaggedResultHelper<Response, Error>>()
-            .await
-            .map_err(ReceiveError::HttpError)?
-            .0
-            .map_err(ReceiveError::LoginRequestError)
+            .await?
+            .0?;
+
+        Ok(response)
     }
 }
 
@@ -83,8 +83,8 @@ impl Client {
 pub enum ReceiveError {
     #[error(transparent)]
     LoginRequestError(#[from] Error),
-    #[error("{0}")]
-    HttpError(reqwest::Error),
+    #[error(transparent)]
+    HttpError(#[from] reqwest::Error),
 }
 
 pub type Result<T> = result::Result<T, ReceiveError>;
diff --git a/edu-ws/src/ws.rs b/edu-ws/src/ws.rs
index 7d376cc..d25e571 100644
--- a/edu-ws/src/ws.rs
+++ b/edu-ws/src/ws.rs
@@ -31,8 +31,8 @@ pub enum Error {
 pub enum RequestError {
     #[error(transparent)]
     WsError(#[from] Error),
-    #[error("{0}")]
-    HttpError(reqwest::Error),
+    #[error(transparent)]
+    HttpError(#[from] reqwest::Error),
 }
 
 pub type Result<T> = result::Result<T, RequestError>;
@@ -94,7 +94,8 @@ impl Client {
             lang: Option<&'a str>,
         }
 
-        self.http_client
+        let ret = self
+            .http_client
             .post(self.ws_url.clone())
             .query(&WsQuery {
                 token: &self.token,
@@ -107,13 +108,12 @@ impl Client {
                 lang: self.lang.as_deref(),
             })
             .send()
-            .await
-            .map_err(RequestError::HttpError)?
+            .await?
             .json::<UntaggedResultHelper<T, Error>>()
-            .await
-            .map_err(RequestError::HttpError)?
-            .0
-            .map_err(RequestError::WsError)
+            .await?
+            .0?;
+
+        Ok(ret)
     }
 
     pub async fn get_info(&self) -> Result<Info> {