diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index 9885c589f..364c48f60 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -34,8 +34,6 @@ cfg-if = "1.0.0"
 
 [build-dependencies]
 stm32-metapac = { version = "0.1.0", path = "../stm32-metapac", default-features = false }
-serde = { version = "1.0.130", features = [ "derive" ] }
-serde_yaml = "0.8.21"
 
 [features]
 sdmmc-rs = ["embedded-sdmmc"]