diff --git a/util/Cargo.toml b/util/Cargo.toml
index 731247912..d0e2e0ab7 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -23,7 +23,6 @@ elastic-array = "0.4"
 heapsize = "0.2"
 itertools = "0.4"
 crossbeam = "0.2"
-smallvec = "0.1"
 slab = { git = "https://github.com/arkpar/slab.git" }
 sha3 = { path = "sha3" }
 serde = "0.6.7"