diff --git a/cli/src/command.rs b/cli/src/command.rs
index 7b437a2c352d..57647c72fc27 100644
--- a/cli/src/command.rs
+++ b/cli/src/command.rs
@@ -30,20 +30,18 @@ fn get_exec_name() -> Option<String> {
 }
 
 impl SubstrateCli for Cli {
-	fn impl_name() -> &'static str { "Parity Polkadot" }
+	fn impl_name() -> String { "Parity Polkadot".into() }
 
-	fn impl_version() -> &'static str { env!("SUBSTRATE_CLI_IMPL_VERSION") }
+	fn impl_version() -> String { env!("SUBSTRATE_CLI_IMPL_VERSION").into() }
 
-	fn description() -> &'static str { env!("CARGO_PKG_DESCRIPTION") }
+	fn description() -> String { env!("CARGO_PKG_DESCRIPTION").into() }
 
-	fn author() -> &'static str { env!("CARGO_PKG_AUTHORS") }
+	fn author() -> String { env!("CARGO_PKG_AUTHORS").into() }
 
-	fn support_url() -> &'static str { "https://github.com/paritytech/polkadot/issues/new" }
+	fn support_url() -> String { "https://github.com/paritytech/polkadot/issues/new".into() }
 
 	fn copyright_start_year() -> i32 { 2017 }
 
-	fn executable_name() -> &'static str { "polkadot" }
-
 	fn load_spec(&self, id: &str) -> std::result::Result<Box<dyn sc_service::ChainSpec>, String> {
 		let id = if id == "" {
 			let n = get_exec_name().unwrap_or_default();