diff --git a/core/Cargo.toml b/core/Cargo.toml
index fd8cd05..ec4d87a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -8,16 +8,11 @@ repository = "https://github.com/RustPython/Parser/"
 license = "MIT"
 
 [dependencies]
-itertools = { workspace = true }
-num-bigint = { workspace = true }
-num-complex = { workspace = true }
-
 # ruff dependency shouldn't be placed out of this crate
 ruff_text_size = { path = "../ruff_text_size" }
 ruff_source_location = { path = "../ruff_source_location", optional = true }
 
 serde = { version = "1.0.133", optional = true, default-features = false, features = ["derive"] }
-lz4_flex = "0.9.2"
 
 [features]
 default = []