diff --git a/testutil/sample/crypto.go b/testutil/sample/crypto.go
index b67698bca0..79489292fb 100644
--- a/testutil/sample/crypto.go
+++ b/testutil/sample/crypto.go
@@ -58,6 +58,9 @@ func PubKeyString() string {
 
 func PubkeyStringFromRand(r *rand.Rand) (string, error) {
 	priKey, err := Ed25519PrivateKeyFromRand(r)
+	if err != nil {
+		return "", err
+	}
 	s, err := cosmos.Bech32ifyPubKey(cosmos.Bech32PubKeyTypeAccPub, priKey.PubKey())
 	if err != nil {
 		return "", err
diff --git a/x/crosschain/simulation/operation_abort_stuck_cctx.go b/x/crosschain/simulation/operation_abort_stuck_cctx.go
index f828b8f5d7..40b4f21b53 100644
--- a/x/crosschain/simulation/operation_abort_stuck_cctx.go
+++ b/x/crosschain/simulation/operation_abort_stuck_cctx.go
@@ -18,7 +18,6 @@ import (
 func SimulateMsgAbortStuckCCTX(k keeper.Keeper) simtypes.Operation {
 	return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accounts []simtypes.Account, _ string,
 	) (OperationMsg simtypes.OperationMsg, futureOps []simtypes.FutureOperation, err error) {
-
 		// Pick a ethereum chain to abort a stuck cctx
 		chainID := int64(1337)
 		supportedChains := k.GetObserverKeeper().GetSupportedChains(ctx)
diff --git a/x/observer/simulation/decoders.go b/x/observer/simulation/decoders.go
index 6ebf8514c9..d48e906443 100644
--- a/x/observer/simulation/decoders.go
+++ b/x/observer/simulation/decoders.go
@@ -91,7 +91,13 @@ func NewDecodeStore(cdc codec.Codec) func(kvA, kvB kv.Pair) string {
 			cdc.MustUnmarshal(kvB.Value, &paramsB)
 			return fmt.Sprintf("%v\n%v", paramsA, paramsB)
 		default:
-			panic(fmt.Sprintf("invalid observer key prefix %X (first 8 bytes: %X)", kvA.Key[:1], kvA.Key[:min(8, len(kvA.Key))]))
+			panic(
+				fmt.Sprintf(
+					"invalid observer key prefix %X (first 8 bytes: %X)",
+					kvA.Key[:1],
+					kvA.Key[:min(8, len(kvA.Key))],
+				),
+			)
 		}
 	}
 }