diff --git a/src/mito2/src/cache/cache_size.rs b/src/mito2/src/cache/cache_size.rs
index 3d79bcbe58..a60b203bd7 100644
--- a/src/mito2/src/cache/cache_size.rs
+++ b/src/mito2/src/cache/cache_size.rs
@@ -127,16 +127,3 @@ fn parquet_offset_index_heap_size(offset_index: &ParquetOffsetIndex) -> usize {
         })
         .sum()
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::cache::test_util::parquet_meta;
-
-    #[test]
-    fn test_parquet_meta_size() {
-        let metadata = parquet_meta();
-
-        assert_eq!(956, parquet_meta_size(&metadata));
-    }
-}