diff --git a/substrate/client/cli/src/commands/export_chain_spec_cmd.rs b/substrate/client/cli/src/commands/export_chain_spec_cmd.rs
index 992d8a6be02a67613f8707eb8645f8717e4a9a8e..a6ef0f81bea8ad5bffa66d53750155cd2f09881c 100644
--- a/substrate/client/cli/src/commands/export_chain_spec_cmd.rs
+++ b/substrate/client/cli/src/commands/export_chain_spec_cmd.rs
@@ -23,7 +23,6 @@ use std::{
 	fs,
 	io::{self, Write},
 	path::PathBuf,
-	thread::sleep,
 };
 
 /// Export a chain-spec to a JSON file in plain or in raw storage format.