diff --git a/Cargo.lock b/Cargo.lock
index 07afa9ac43aa849a19eaec33167f6ff8609d32d9..cd3ac8efd58075147ed5c3e05922155a955a8d04 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,18 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "ahash"
-version = "0.8.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42cd52102d3df161c77a887b608d7a4897d7cc112886a9537b738a887a03aaff"
-dependencies = [
- "cfg-if",
- "once_cell",
- "version_check",
- "zerocopy",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -23,12 +11,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "allocator-api2"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -59,16 +41,6 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
-[[package]]
-name = "hashbrown"
-version = "0.14.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
-dependencies = [
- "ahash",
- "allocator-api2",
-]
-
 [[package]]
 name = "io-kit-sys"
 version = "0.4.0"
@@ -193,12 +165,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
-
 [[package]]
 name = "pkg-config"
 version = "0.3.30"
@@ -324,7 +290,6 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 name = "serial-bridge"
 version = "0.1.0"
 dependencies = [
- "hashbrown",
  "lazy_static",
  "rustmex",
  "serialport",
@@ -407,12 +372,6 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
-[[package]]
-name = "version_check"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -434,23 +393,3 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "zerocopy"
-version = "0.7.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.7.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.48",
-]
diff --git a/Cargo.toml b/Cargo.toml
index eba005b32b1b1a1efe301b32fa3dc1f0f5523fea..76f01e0b440f6a6a2ab2ae8db2041d7d3ed13423 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,6 @@ license = "MIT"
 crate-type = ["cdylib"]
 
 [dependencies]
-hashbrown = "0.14.3"
 lazy_static = "1.4.0"
 rustmex = { path = "../rustmex/rustmex", features = ["matlab800"] }
 serialport = "4.3.0"