diff --git a/src/lib.rs b/src/lib.rs
index e91b648..8b47c59 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -87,11 +87,11 @@ cfg_if! {
         #[wasm_bindgen]
         #[derive(Debug, Clone, PartialEq)]
         pub struct KmerMinHash {
-            pub num: u32,
-            pub ksize: u32,
-            pub is_protein: bool,
-            pub seed: u64,
-            pub max_hash: u64,
+            num: u32,
+            ksize: u32,
+            is_protein: bool,
+            seed: u64,
+            max_hash: u64,
             mins: Vec<u64>,
             abunds: Option<Vec<u64>>,
         }
diff --git a/src/wasm.rs b/src/wasm.rs
index 757635d..7e4a4d5 100644
--- a/src/wasm.rs
+++ b/src/wasm.rs
@@ -38,10 +38,12 @@ impl KmerMinHash {
         self.add_sequence(buf.as_bytes(), true);
     }
 
+    /*
     #[wasm_bindgen]
     pub fn add_hash_js(&mut self, h: u64) {
         self.add_hash(h);
     }
+    */
 
     #[wasm_bindgen]
     pub fn to_json(&mut self) -> String {