diff --git a/polkadot/runtime/rococo/src/lib.rs b/polkadot/runtime/rococo/src/lib.rs
index c41ffdbe72db..f37c901475a8 100644
--- a/polkadot/runtime/rococo/src/lib.rs
+++ b/polkadot/runtime/rococo/src/lib.rs
@@ -1868,12 +1868,6 @@ sp_api::impl_runtime_apis! {
 
 	impl offchain_primitives::OffchainWorkerApi<Block> for Runtime {
 		fn offchain_worker(header: &<Block as BlockT>::Header) {
-			use sp_runtime::{traits::Header, DigestItem};
-
-			if header.digest().logs().iter().any(|di| di == &DigestItem::RuntimeEnvironmentUpdated) {
-				pallet_im_online::migration::clear_offchain_storage(Session::validators().len() as u32);
-			}
-
 			Executive::offchain_worker(header)
 		}
 	}
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index e6381513170f..d75c1011d5f3 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -1931,12 +1931,6 @@ sp_api::impl_runtime_apis! {
 
 	impl offchain_primitives::OffchainWorkerApi<Block> for Runtime {
 		fn offchain_worker(header: &<Block as BlockT>::Header) {
-			use sp_runtime::{traits::Header, DigestItem};
-
-			if header.digest().logs().iter().any(|di| di == &DigestItem::RuntimeEnvironmentUpdated) {
-				pallet_im_online::migration::clear_offchain_storage(Session::validators().len() as u32);
-			}
-
 			Executive::offchain_worker(header)
 		}
 	}