diff --git a/query-engine/driver-adapters/src/wasm/conversion.rs b/query-engine/driver-adapters/src/wasm/conversion.rs
deleted file mode 100644
index 9cb5202cda45..000000000000
--- a/query-engine/driver-adapters/src/wasm/conversion.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub(crate) use crate::conversion::{mysql, postgres, sqlite, JSArg};
diff --git a/query-engine/driver-adapters/src/wasm/mod.rs b/query-engine/driver-adapters/src/wasm/mod.rs
index 8f0e0aeeb3de..9cdc66b177e7 100644
--- a/query-engine/driver-adapters/src/wasm/mod.rs
+++ b/query-engine/driver-adapters/src/wasm/mod.rs
@@ -1,7 +1,6 @@
 //! Query Engine Driver Adapters: `wasm`-specific implementation.
 
 mod async_js_function;
-mod conversion;
 mod error;
 mod js_object_extern;
 pub(crate) mod proxy;
diff --git a/query-engine/query-engine-wasm/src/wasm.rs b/query-engine/query-engine-wasm/src/wasm.rs
index 14edeadf63b6..5e83cf3aa2b6 100644
--- a/query-engine/query-engine-wasm/src/wasm.rs
+++ b/query-engine/query-engine-wasm/src/wasm.rs
@@ -3,5 +3,4 @@ pub mod error;
 pub mod functions;
 pub mod logger;
 
-pub(crate) type Result<T> = std::result::Result<T, error::ApiError>;
 pub(crate) type Executor = Box<dyn query_core::QueryExecutor + Send + Sync>;