diff --git a/Cargo.toml b/Cargo.toml
index 9e7c6ac..475fece 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,9 +51,6 @@ pyo3 = { version = "0.20", features = ["extension-module"], optional = true}
 pyo3-asyncio = { version = "0.20", features = ["tokio-runtime"], optional = true }
 
 [build-dependencies]
-# glue (java)
-flapigen = { version = "0.6.0", optional = true }
-rifgen = { git = "https://github.com/Kofituo/rifgen.git", rev = "d27d9785b2febcf5527f1deb6a846be5d583f7d7", optional = true }
 # glue (js)
 napi-build = { version = "2", optional = true }
 # glue (python)