diff --git a/Cargo.lock b/Cargo.lock
index 2ec2eca5a..b29daaaa5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -206,7 +206,6 @@ name = "ekore"
 version = "0.0.1"
 dependencies = [
  "float-cmp",
- "hashbrown",
  "num",
 ]
 
diff --git a/crates/ekore/Cargo.toml b/crates/ekore/Cargo.toml
index 419bc126a..352750a88 100644
--- a/crates/ekore/Cargo.toml
+++ b/crates/ekore/Cargo.toml
@@ -20,4 +20,3 @@ rustdoc-args = ["--html-in-header", "doc-header.html"]
 [dependencies]
 num = "0.4.1"
 float-cmp = "0.9.0"
-hashbrown = "0.14"
diff --git a/crates/ekore/src/harmonics/cache.rs b/crates/ekore/src/harmonics/cache.rs
index 1342f5175..eb2a9090b 100644
--- a/crates/ekore/src/harmonics/cache.rs
+++ b/crates/ekore/src/harmonics/cache.rs
@@ -1,7 +1,7 @@
 //! Cache harmonic sums for given Mellin N.
 
-use hashbrown::HashMap;
 use num::{complex::Complex, Zero};
+use std::collections::HashMap;
 
 use crate::harmonics::{g_functions, w1, w2, w3, w4};