Remove unused profile line
diff --git a/samplecode/machine-learning/enclave/Cargo.toml b/samplecode/machine-learning/enclave/Cargo.toml
index 1736fdd..9c9f363 100644
--- a/samplecode/machine-learning/enclave/Cargo.toml
+++ b/samplecode/machine-learning/enclave/Cargo.toml
@@ -10,9 +10,6 @@
[features]
default = []
-[profile.release]
-lto = true
-
[target.'cfg(not(target_env = "sgx"))'.dependencies]
sgx_tstd = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
sgx_types = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }