diff --git a/juniper/src/http/graphiql.rs b/juniper/src/http/graphiql.rs
index 803cf83ad..63a7882a4 100644
--- a/juniper/src/http/graphiql.rs
+++ b/juniper/src/http/graphiql.rs
@@ -12,25 +12,19 @@ pub fn graphiql_source(
     graphql_endpoint_url: &str,
     subscriptions_endpoint_url: Option<&str>,
 ) -> String {
-    let subscriptions_endpoint = if let Some(sub_url) = subscriptions_endpoint_url {
-        sub_url
-    } else {
-        ""
-    };
-
     include_str!("graphiql.html").replace(
         "<!-- inject -->",
         &format!(
             // language=JavaScript
             "
-      var JUNIPER_URL = '{graphql_url}';
-      var JUNIPER_SUBSCRIPTIONS_URL = '{graphql_subscriptions_url}';
+      var JUNIPER_URL = '{juniper_url}';
+      var JUNIPER_SUBSCRIPTIONS_URL = '{juniper_subscriptions_url}';
 
 {grahiql_js}
 
             ",
-            graphql_url = graphql_endpoint_url,
-            graphql_subscriptions_url = subscriptions_endpoint,
+            juniper_url = graphql_endpoint_url,
+            juniper_subscriptions_url = subscriptions_endpoint_url.unwrap_or_default(),
             grahiql_js = include_str!("graphiql.js"),
         ),
     )
diff --git a/juniper/src/types/scalars.rs b/juniper/src/types/scalars.rs
index c904fcabf..960b3aeb5 100644
--- a/juniper/src/types/scalars.rs
+++ b/juniper/src/types/scalars.rs
@@ -1,4 +1,4 @@
-use std::{char, fmt, marker::PhantomData, ops::Deref, rc::Rc, thread::JoinHandle, u32};
+use std::{char, fmt, marker::PhantomData, ops::Deref, rc::Rc, thread::JoinHandle};
 
 use serde::{Deserialize, Serialize};