diff --git a/src/document.rs b/src/document.rs
index 601f3f0..a8d2e8e 100644
--- a/src/document.rs
+++ b/src/document.rs
@@ -25,7 +25,7 @@ fn value_to_py(py: Python, value: &Value) -> PyResult<PyObject> {
         Value::I64(num) => (*num).into_py(py),
         Value::F64(num) => (*num).into_py(py),
         Value::Bytes(b) => b.to_object(py),
-        Value::PreTokStr(pretoken) => {
+        Value::PreTokStr(_pretoken) => {
             // TODO implement me
             unimplemented!();
         }
@@ -54,7 +54,7 @@ fn value_to_string(value: &Value) -> String {
         Value::Bytes(bytes) => format!("{:?}", bytes),
         Value::Date(d) => format!("{:?}", d),
         Value::Facet(facet) => facet.to_string(),
-        Value::PreTokStr(pretok) => {
+        Value::PreTokStr(_pretok) => {
             // TODO implement me
             unimplemented!();
         }
diff --git a/src/index.rs b/src/index.rs
index c20af98..546a1be 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -11,7 +11,7 @@ use crate::searcher::Searcher;
 use crate::to_pyerr;
 use tantivy as tv;
 use tantivy::directory::MmapDirectory;
-use tantivy::schema::{Field, NamedFieldDocument, Term, Value};
+use tantivy::schema::{NamedFieldDocument, Term, Value};
 
 const RELOAD_POLICY: &str = "commit";
 
@@ -132,7 +132,7 @@ impl IndexWriter {
                     field_name
                 )))
             }
-            Value::PreTokStr(pretok) => {
+            Value::PreTokStr(_pretok) => {
                 return Err(exceptions::ValueError::py_err(format!(
                     "Field `{}` is pretokenized. This is not authorized for delete.",
                     field_name