diff --git a/Cargo.toml b/Cargo.toml
index 17dd2612..1808a1f1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -95,8 +95,6 @@ path = "src/lib.rs"
 opt-level = 2
 
 [profile.release]
-lto = "thin"
+lto = "fat"
 strip = "symbols"
-
-[profile.dev.package.bitvec]
-opt-level = 3
+panic = "abort"