diff --git a/polkadot/runtime/src/lib.rs b/polkadot/runtime/src/lib.rs
index b83da9c178..d87ff78967 100644
--- a/polkadot/runtime/src/lib.rs
+++ b/polkadot/runtime/src/lib.rs
@@ -98,7 +98,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 1,
-	spec_version: 1001,
+	spec_version: 1002,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 };
diff --git a/polkadot/runtime/src/parachains.rs b/polkadot/runtime/src/parachains.rs
index 32dc974d1c..c1f8529d6f 100644
--- a/polkadot/runtime/src/parachains.rs
+++ b/polkadot/runtime/src/parachains.rs
@@ -37,9 +37,6 @@ use srml_support::{
 
 use inherents::{ProvideInherent, InherentData, RuntimeString, MakeFatalError, InherentIdentifier};
 
-#[cfg(any(feature = "std", test))]
-use sr_primitives::{StorageOverlay, ChildrenStorageOverlay};
-
 #[cfg(any(feature = "std", test))]
 use rstd::marker::PhantomData;