diff --git a/program-runtime/src/message_processor.rs b/program-runtime/src/message_processor.rs
index e65ea22cac4823..fd732535766186 100644
--- a/program-runtime/src/message_processor.rs
+++ b/program-runtime/src/message_processor.rs
@@ -188,7 +188,6 @@ mod tests {
             secp256k1_instruction::new_secp256k1_instruction,
             secp256k1_program, system_program,
         },
-        std::convert::TryFrom,
     };
 
     #[derive(Debug, Serialize, Deserialize)]