diff --git a/Cargo.lock b/Cargo.lock
index aebfd4a..5b62f15 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -50,12 +50,6 @@ dependencies = [
  "shlex",
 ]
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
@@ -93,7 +87,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "wasm-bindgen",
 ]
 
@@ -228,12 +222,6 @@ version = "2.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
-[[package]]
-name = "memory_units"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8452105ba047068f40ff7093dd1d9da90898e63dd61736462e9cdda6a90ad3c3"
-
 [[package]]
 name = "minicov"
 version = "0.3.7"
@@ -323,7 +311,6 @@ dependencies = [
  "thiserror",
  "wasm-bindgen",
  "wasm-bindgen-test",
- "wee_alloc",
 ]
 
 [[package]]
@@ -441,7 +428,7 @@ version = "3.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adcb7fd841cd518e279be3d5a3eb0636409487998a4aff22f3de87b81e88384f"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "proc-macro2",
  "quote",
  "syn",
@@ -507,7 +494,7 @@ version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "once_cell",
  "rustversion",
  "wasm-bindgen-macro",
@@ -520,7 +507,7 @@ version = "0.4.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "836d9622d604feee9e5de25ac10e3ea5f2d65b41eac0d9ce72eb5deae707ce7c"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "js-sys",
  "once_cell",
  "wasm-bindgen",
@@ -601,34 +588,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "wee_alloc"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "memory_units",
- "winapi",
-]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
 [[package]]
 name = "winapi-util"
 version = "0.1.11"
@@ -638,12 +597,6 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
-[[package]]
-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 = "windows-core"
 version = "0.62.2"
diff --git a/Cargo.toml b/Cargo.toml
index ba89963..7b657d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,12 +36,10 @@ wasm-bindgen = { version = "0.2.99", optional = true }
 # code size when deploying.
 console_error_panic_hook = { version = "0.1.7", optional = true }
 
-wee_alloc = { version = "0.4.2", optional = true }
-
 [features]
 default = []
 serde = [ "dep:serde" ]
-wasm = [ "dep:wasm-bindgen", "dep:wee_alloc", "console_error_panic_hook" ]
+wasm = [ "dep:wasm-bindgen", "console_error_panic_hook" ]
 console_error_panic_hook = [ "dep:console_error_panic_hook" ]
 all = [ "wasm", "serde" ]