diff --git a/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm b/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm
index 21685747dc..71363e96d9 100644
Binary files a/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm and b/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm differ
diff --git a/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm b/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm
index 639cf3e8e4..77c937bf31 100644
Binary files a/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm and b/substrate/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm differ
diff --git a/substrate/polkadot/api/src/lib.rs b/substrate/polkadot/api/src/lib.rs
index 2eeb0cd06d..049e59e197 100644
--- a/substrate/polkadot/api/src/lib.rs
+++ b/substrate/polkadot/api/src/lib.rs
@@ -17,7 +17,7 @@
 //! Strongly typed API for Polkadot based around the locally-compiled native
 //! runtime.
 
-extern crate polkadot_executor as polkadot_executor;
+extern crate polkadot_executor;
 extern crate polkadot_runtime;
 extern crate polkadot_primitives as primitives;
 extern crate substrate_client as client;
diff --git a/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm b/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm
index 1a7785d626..e33dc42122 100644
Binary files a/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm and b/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm differ
diff --git a/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm b/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm
index 7528a02d42..b29f06b3b6 100644
Binary files a/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm and b/substrate/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm differ
diff --git a/substrate/substrate/runtime-support/src/storage.rs b/substrate/substrate/runtime-support/src/storage.rs
index 54237200fb..cdb52468cf 100644
--- a/substrate/substrate/runtime-support/src/storage.rs
+++ b/substrate/substrate/runtime-support/src/storage.rs
@@ -322,7 +322,6 @@ pub mod unhashed {
 #[cfg(test)]
 mod tests {
 	use super::*;
-	use primitives::hexdisplay;
 	use runtime_io::{twox_128, TestExternalities, with_externalities};
 
 	#[test]
diff --git a/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm b/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm
index fc34a3fd55..e97060c601 100644
Binary files a/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm and b/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm differ
diff --git a/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.wasm b/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.wasm
index c27b24b0c2..96bd1a82b2 100644
Binary files a/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.wasm and b/substrate/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.wasm differ