diff --git a/ext/webstorage/01_webstorage.js b/ext/webstorage/01_webstorage.js
index 831f63f591..6640c04e56 100644
--- a/ext/webstorage/01_webstorage.js
+++ b/ext/webstorage/01_webstorage.js
@@ -55,10 +55,7 @@
         context: "Argument 2",
       });
 
-      core.opSync("op_webstorage_set", {
-        keyName: key,
-        keyValue: value,
-      }, this[_persistent]);
+      core.opSync("op_webstorage_set", key, value, this[_persistent]);
     }
 
     getItem(key) {
diff --git a/ext/webstorage/lib.rs b/ext/webstorage/lib.rs
index 7cda0176a5..47d720ffb1 100644
--- a/ext/webstorage/lib.rs
+++ b/ext/webstorage/lib.rs
@@ -10,7 +10,6 @@ use deno_core::OpState;
 use rusqlite::params;
 use rusqlite::Connection;
 use rusqlite::OptionalExtension;
-use serde::Deserialize;
 use std::fmt;
 use std::path::PathBuf;
 
@@ -135,17 +134,11 @@ pub fn op_webstorage_key(
   Ok(key)
 }
 
-#[derive(Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct SetArgs {
-  key_name: String,
-  key_value: String,
-}
-
 #[op]
 pub fn op_webstorage_set(
   state: &mut OpState,
-  args: SetArgs,
+  key: String,
+  value: String,
   persistent: bool,
 ) -> Result<(), AnyError> {
   let conn = get_webstorage(state, persistent)?;
@@ -165,7 +158,7 @@ pub fn op_webstorage_set(
 
   let mut stmt = conn
     .prepare_cached("INSERT OR REPLACE INTO data (key, value) VALUES (?, ?)")?;
-  stmt.execute(params![args.key_name, args.key_value])?;
+  stmt.execute(params![key, value])?;
 
   Ok(())
 }