diff --git a/bindings/matrix-sdk-ffi/src/client.rs b/bindings/matrix-sdk-ffi/src/client.rs
index 7776f292e..dbb955da1 100644
--- a/bindings/matrix-sdk-ffi/src/client.rs
+++ b/bindings/matrix-sdk-ffi/src/client.rs
@@ -267,10 +267,6 @@ impl Client {
         self.inner.sliding_sync_proxy()
     }
 
-    pub(crate) fn set_sliding_sync_proxy(&self, sliding_sync_proxy: Option<Url>) {
-        self.inner.set_sliding_sync_proxy(sliding_sync_proxy);
-    }
-
     /// Whether or not the client's homeserver supports the password login flow.
     pub(crate) async fn supports_password_login(&self) -> anyhow::Result<bool> {
         let login_types = self.inner.get_login_types().await?;
diff --git a/bindings/matrix-sdk-ffi/src/client_builder.rs b/bindings/matrix-sdk-ffi/src/client_builder.rs
index b5d67bf5b..e3682cc2a 100644
--- a/bindings/matrix-sdk-ffi/src/client_builder.rs
+++ b/bindings/matrix-sdk-ffi/src/client_builder.rs
@@ -129,16 +129,14 @@ impl ClientBuilder {
             );
         }
 
-        RUNTIME.block_on(async move {
-            let sdk_client = inner_builder.build().await?;
+        let sdk_client = RUNTIME.block_on(async move { inner_builder.build().await })?;
+        sdk_client.set_sliding_sync_proxy(
+            builder.sliding_sync_proxy.map(|url| Url::parse(&url)).transpose()?,
+        );
 
-            let client = Client::new(sdk_client);
-            client.set_sliding_sync_proxy(
-                builder.sliding_sync_proxy.map(|url| Url::parse(&url)).transpose()?,
-            );
+        let client = Client::new(sdk_client);
 
-            Ok(Arc::new(client))
-        })
+        Ok(Arc::new(client))
     }
 }