diff --git a/x/evmutil/keeper/grpc_query.go b/x/evmutil/keeper/grpc_query.go
index 08de9b00..fcbc2bdf 100644
--- a/x/evmutil/keeper/grpc_query.go
+++ b/x/evmutil/keeper/grpc_query.go
@@ -1,3 +1,20 @@
+// Derived from https://github.com/Kava-Labs/kava/blob/d500cd12362edd0c64e8065fbc595cd9399b08c2/x/evmutil/keeper/grpc_query.go
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Modifications:
+// - Removed unused queries
+
 package keeper
 
 import (
diff --git a/x/evmutil/keeper/invariants.go b/x/evmutil/keeper/invariants.go
index f785f90c..8414dfa6 100644
--- a/x/evmutil/keeper/invariants.go
+++ b/x/evmutil/keeper/invariants.go
@@ -1,3 +1,20 @@
+// Derived from https://github.com/Kava-Labs/kava/blob/d500cd12362edd0c64e8065fbc595cd9399b08c2/x/evmutil/keeper/grpc_query.go
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Modifications:
+// - Removed BackedCoinInvariant
+
 package keeper
 
 import (
diff --git a/x/evmutil/keeper/keeper.go b/x/evmutil/keeper/keeper.go
index e800104a..7a12932d 100644
--- a/x/evmutil/keeper/keeper.go
+++ b/x/evmutil/keeper/keeper.go
@@ -1,3 +1,21 @@
+// Derived from https://github.com/Kava-Labs/kava/blob/d500cd12362edd0c64e8065fbc595cd9399b08c2/x/evmutil/keeper/grpc_query.go
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Modifications:
+// - Removed SetDeployedCosmosCoinContract
+// - Remove GetDeployedCosmosCoinContract
+
 package keeper
 
 import (
diff --git a/x/evmutil/keeper/migrations.go b/x/evmutil/keeper/migrations.go
index 3be1ada6..c3aeb0a0 100644
--- a/x/evmutil/keeper/migrations.go
+++ b/x/evmutil/keeper/migrations.go
@@ -1,3 +1,20 @@
+// Derived from https://github.com/Kava-Labs/kava/blob/d500cd12362edd0c64e8065fbc595cd9399b08c2/x/evmutil/keeper/grpc_query.go
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Modifications:
+// - Removed Migrate1to2
+
 package keeper
 
 // Migrator is a struct for handling in-place store migrations.
diff --git a/x/evmutil/keeper/params.go b/x/evmutil/keeper/params.go
index ab779417..a4a04cdc 100644
--- a/x/evmutil/keeper/params.go
+++ b/x/evmutil/keeper/params.go
@@ -1,3 +1,20 @@
+// Derived from https://github.com/Kava-Labs/kava/blob/d500cd12362edd0c64e8065fbc595cd9399b08c2/x/evmutil/keeper/grpc_query.go
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Modifications:
+// - Removed all param queries
+
 package keeper
 
 import (