diff --git a/Cargo.toml b/Cargo.toml
index 1bbe0220b..330d96362 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -60,7 +60,6 @@ measure_time = "0.8.2"
 ciborium = { version = "0.2", optional = true}
 async-trait = "0.1.53"
 arc-swap = "1.5.0"
-roaring = "0.10.1"
 
 [target.'cfg(windows)'.dependencies]
 winapi = "0.3.9"
diff --git a/src/fastfield/writer.rs b/src/fastfield/writer.rs
index 831811f94..8dbfb954a 100644
--- a/src/fastfield/writer.rs
+++ b/src/fastfield/writer.rs
@@ -6,7 +6,6 @@ use fastfield_codecs::{
     serialize_u128, Column, MonotonicallyMappableToU128, MonotonicallyMappableToU64,
 };
 use fnv::FnvHashMap;
-use roaring::RoaringBitmap;
 use tantivy_bitpacker::BlockedBitpacker;
 
 use super::multivalued::{MultiValueU128FastFieldWriter, MultiValuedFastFieldWriter};