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 21685747dc5032d642e339bb5062e9b2f58d1f2a..71363e96d9632d80c4f0546a3e3ac8b88bcfc2fa 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 639cf3e8e4f2128ceac881d694983b02b7d3f0e8..77c937bf318bbe41c7f9f1d6aa6cc1f4f77bfe57 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 2eeb0cd06d0d3f365c546dd392e53ba54117dbdc..049e59e19764861ebf8fb1ebac06948296ee0b21 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 1a7785d62623f53de0c64cb75a2aff30a273585f..e33dc4212228e9bb5390ec05ff5895d3c1886ec2 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 7528a02d42f7c13ae4826476215bacb482f7c9c3..b29f06b3b6d28d0b8b2f804f729b394481109079 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 54237200fb911f2a9ec8728715290cab1d507815..cdb52468cf5b644773bc8badb259dfb10abaa9d5 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 fc34a3fd55082e7011646e99b1fc54c7d4fda632..e97060c601271bdf6eff78d5cd119a39e205916b 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 c27b24b0c21ae7094dd821cf5309d28a5a547c52..96bd1a82b292baa6a6247b7b0d9c5e582902b2a3 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