diff --git a/.cargo/config.toml b/.cargo/config.toml
index 39edc90..4ed54d3 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -36,8 +36,6 @@ strip = "debuginfo"
 [profile.firmware]
 inherits = "release"
 strip = true
-opt-level = "z"
-lto = "fat"
 codegen-units = 1
 panic = "abort"
 debug = false