diff --git a/benches/batch.rs b/benches/batch.rs
index 505e2f9..fbdacb3 100644
--- a/benches/batch.rs
+++ b/benches/batch.rs
@@ -5,11 +5,11 @@ use trueskill_tt::{
 };
 
 fn criterion_benchmark(criterion: &mut Criterion) {
-    let mut index = KeyTable::new();
+    let mut index_map = KeyTable::new();
 
-    let a = index.get_or_create("a");
-    let b = index.get_or_create("b");
-    let c = index.get_or_create("c");
+    let a = index_map.get_or_create("a");
+    let b = index_map.get_or_create("b");
+    let c = index_map.get_or_create("c");
 
     let mut agents: AgentStore<ConstantDrift> = AgentStore::new();
 
diff --git a/src/lib.rs b/src/lib.rs
index 0afdc64..0eb8d02 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,7 +14,7 @@ pub(crate) mod factor;
 mod game;
 pub mod gaussian;
 mod history;
-pub mod key_table;
+mod key_table;
 mod matrix;
 pub mod player;
 pub(crate) mod schedule;