diff --git a/src/rust/src/expr/string.rs b/src/rust/src/expr/string.rs
index 6645f280..8b30d05d 100644
--- a/src/rust/src/expr/string.rs
+++ b/src/rust/src/expr/string.rs
@@ -122,6 +122,13 @@ impl PlRExpr {
             .into())
     }
 
+    // TODO: Work around for <https://github.com/yutannihilation/savvy/issues/333>
+    #[cfg(target_arch = "wasm32")]
+    #[allow(unused_variables)]
+    fn str_json_path_match(&self, pat: &PlRExpr) -> Result<Self> {
+        Err(RPolarsErr::Other(format!("`Not supported in WASM")).into())
+    }
+
     // fn str_json_decode(&self, dtype: &PlRExpr, infer_schema_len: &PlRExpr) -> Result<Self> {
     //     let dtype = robj_to!(Option, RPolarsDataType, dtype)?.map(|dty| dty.0);
     //     let infer_schema_len = robj_to!(Option, usize, infer_schema_len)?;
diff --git a/src/rust/src/expr/struct.rs b/src/rust/src/expr/struct.rs
index e603ad45..67321e90 100644
--- a/src/rust/src/expr/struct.rs
+++ b/src/rust/src/expr/struct.rs
@@ -32,6 +32,13 @@ impl PlRExpr {
         Ok(self.inner.clone().struct_().json_encode().into())
     }
 
+    // TODO: Work around for <https://github.com/yutannihilation/savvy/issues/333>
+    #[cfg(target_arch = "wasm32")]
+    #[allow(unused_variables)]
+    fn struct_json_encode(&self) -> Result<Self> {
+        Err(RPolarsErr::Other(format!("`Not supported in WASM")).into())
+    }
+
     fn struct_with_fields(&self, fields: ListSexp) -> Result<Self> {
         let fields = <Wrap<Vec<Expr>>>::from(fields).0;
         let e = self
diff --git a/src/rust/src/lazyframe/general.rs b/src/rust/src/lazyframe/general.rs
index 1389d17f..bb3d54b8 100644
--- a/src/rust/src/lazyframe/general.rs
+++ b/src/rust/src/lazyframe/general.rs
@@ -460,6 +460,32 @@ impl PlRLazyFrame {
         Ok(r.finish().map_err(RPolarsErr::from)?.into())
     }
 
+    // TODO: Work around for <https://github.com/yutannihilation/savvy/issues/333>
+    #[cfg(target_arch = "wasm32")]
+    #[allow(unused_variables)]
+    fn new_from_parquet(
+        source: StringSexp,
+        cache: bool,
+        parallel: &str,
+        rechunk: bool,
+        low_memory: bool,
+        use_statistics: bool,
+        try_parse_hive_dates: bool,
+        retries: NumericScalar,
+        glob: bool,
+        allow_missing_columns: bool,
+        row_index_offset: NumericScalar,
+        storage_options: Option<StringSexp>,
+        n_rows: Option<NumericScalar>,
+        row_index_name: Option<&str>,
+        hive_partitioning: Option<bool>,
+        schema: Option<ListSexp>,
+        hive_schema: Option<ListSexp>,
+        include_file_paths: Option<&str>,
+    ) -> Result<Self> {
+        Err(RPolarsErr::Other(format!("`Not supported in WASM")).into())
+    }
+
     // TODO: Refactor with adding `parquet` feature as like Python Polars
     #[cfg(not(target_arch = "wasm32"))]
     fn new_from_parquet(
@@ -567,6 +593,29 @@ impl PlRLazyFrame {
         Ok(lf.into())
     }
 
+    // TODO: Work around for <https://github.com/yutannihilation/savvy/issues/333>
+    #[cfg(target_arch = "wasm32")]
+    #[allow(unused_variables)]
+    fn new_from_ndjson(
+        source: StringSexp,
+        low_memory: bool,
+        rechunk: bool,
+        ignore_errors: bool,
+        retries: NumericScalar,
+        row_index_offset: NumericScalar,
+        row_index_name: Option<&str>,
+        infer_schema_length: Option<NumericScalar>,
+        schema: Option<ListSexp>,
+        schema_overrides: Option<ListSexp>,
+        batch_size: Option<NumericScalar>,
+        n_rows: Option<NumericScalar>,
+        include_file_paths: Option<&str>,
+        storage_options: Option<StringSexp>,
+        file_cache_ttl: Option<NumericScalar>,
+    ) -> Result<Self> {
+        Err(RPolarsErr::Other(format!("`Not supported in WASM")).into())
+    }
+
     // TODO: Refactor with adding `json` feature as like Python Polars
     #[cfg(not(target_arch = "wasm32"))]
     fn new_from_ndjson(