diff --git a/crates/iota-rest-api/src/client/sdk.rs b/crates/iota-rest-api/src/client/sdk.rs
index 9d8a5386c87..939eeb968e5 100644
--- a/crates/iota-rest-api/src/client/sdk.rs
+++ b/crates/iota-rest-api/src/client/sdk.rs
@@ -54,7 +54,6 @@ impl Client {
 
         let inner = reqwest::ClientBuilder::new()
             .user_agent(USER_AGENT)
-            .http2_prior_knowledge()
             .build()?;
 
         Self {