diff --git a/api/client/builder/client_test.go b/api/client/builder/client_test.go
index fd4b898f98..7c82433f30 100644
--- a/api/client/builder/client_test.go
+++ b/api/client/builder/client_test.go
@@ -876,7 +876,7 @@ func testSignedBlindedBeaconBlockAndBlobsDeneb(t *testing.T) *eth.SignedBlindedB
 					},
 					SyncAggregate: &eth.SyncAggregate{
 						SyncCommitteeSignature: make([]byte, 96),
-						SyncCommitteeBits:      bitfield.Bitvector512(ezDecode(t, "0x6451e9f951ebf05edc01de67e593484b672877054f055903ff0df1a1a945cf30ca26bb4d4b154f94a1bc776bcf5d0efb3603e1f9b8ee2499ccdcfe2a18cef458")),
+						SyncCommitteeBits:      ezDecode(t, "0x6451e9f951ebf05edc01de67e593484b672877054f055903ff0df1a1a945cf30ca26bb4d4b154f94a1bc776bcf5d0efb3603e1f9b8ee2499ccdcfe2a18cef458"),
 					},
 					ExecutionPayloadHeader: &v1.ExecutionPayloadHeaderDeneb{
 						ParentHash:       ezDecode(t, "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"),
diff --git a/beacon-chain/blockchain/lightclient.go b/beacon-chain/blockchain/lightclient.go
index cac672d294..a4c6291de0 100644
--- a/beacon-chain/blockchain/lightclient.go
+++ b/beacon-chain/blockchain/lightclient.go
@@ -8,7 +8,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/v4/config/params"
 	"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
 	ethpbv1 "github.com/prysmaticlabs/prysm/v4/proto/eth/v1"
 	ethpbv2 "github.com/prysmaticlabs/prysm/v4/proto/eth/v2"
@@ -63,7 +62,7 @@ func NewLightClientOptimisticUpdateFromBeaconState(
 	attestedState state.BeaconState) (*ethpbv2.LightClientUpdate, error) {
 	// assert compute_epoch_at_slot(attested_state.slot) >= ALTAIR_FORK_EPOCH
 	attestedEpoch := slots.ToEpoch(attestedState.Slot())
-	if attestedEpoch < types.Epoch(params.BeaconConfig().AltairForkEpoch) {
+	if attestedEpoch < params.BeaconConfig().AltairForkEpoch {
 		return nil, fmt.Errorf("invalid attested epoch %d", attestedEpoch)
 	}
 
diff --git a/beacon-chain/db/kv/blob_test.go b/beacon-chain/db/kv/blob_test.go
index a6705b09b2..4f8f846497 100644
--- a/beacon-chain/db/kv/blob_test.go
+++ b/beacon-chain/db/kv/blob_test.go
@@ -91,7 +91,7 @@ func TestStore_BlobSidecars(t *testing.T) {
 		db := setupDB(t)
 		scs := generateBlobSidecars(t, fieldparams.MaxBlobsPerBlock)
 		require.NoError(t, db.SaveBlobSidecar(ctx, scs))
-		require.Equal(t, int(fieldparams.MaxBlobsPerBlock), len(scs))
+		require.Equal(t, fieldparams.MaxBlobsPerBlock, len(scs))
 
 		// we'll request indices 0 and 3, so make a slice with those indices for comparison
 		expect := make([]*ethpb.BlobSidecar, 2)
@@ -108,7 +108,7 @@ func TestStore_BlobSidecars(t *testing.T) {
 		db := setupDB(t)
 		scs := generateBlobSidecars(t, fieldparams.MaxBlobsPerBlock)
 		require.NoError(t, db.SaveBlobSidecar(ctx, scs))
-		require.Equal(t, int(fieldparams.MaxBlobsPerBlock), len(scs))
+		require.Equal(t, fieldparams.MaxBlobsPerBlock, len(scs))
 
 		got, err := db.BlobSidecarsByRoot(ctx, bytesutil.ToBytes32(scs[0].BlockRoot), uint64(len(scs)))
 		require.ErrorIs(t, err, ErrNotFound)
@@ -127,7 +127,7 @@ func TestStore_BlobSidecars(t *testing.T) {
 		db := setupDB(t)
 		scs := generateBlobSidecars(t, fieldparams.MaxBlobsPerBlock)
 		require.NoError(t, db.SaveBlobSidecar(ctx, scs))
-		require.Equal(t, int(fieldparams.MaxBlobsPerBlock), len(scs))
+		require.Equal(t, fieldparams.MaxBlobsPerBlock, len(scs))
 		got, err := db.BlobSidecarsBySlot(ctx, scs[0].Slot)
 		require.NoError(t, err)
 		require.NoError(t, equalBlobSlices(scs, got))
@@ -147,7 +147,7 @@ func TestStore_BlobSidecars(t *testing.T) {
 		db := setupDB(t)
 		scs := generateBlobSidecars(t, fieldparams.MaxBlobsPerBlock)
 		require.NoError(t, db.SaveBlobSidecar(ctx, scs))
-		require.Equal(t, int(fieldparams.MaxBlobsPerBlock), len(scs))
+		require.Equal(t, fieldparams.MaxBlobsPerBlock, len(scs))
 
 		// we'll request indices 0 and 3, so make a slice with those indices for comparison
 		expect := make([]*ethpb.BlobSidecar, 2)
@@ -165,7 +165,7 @@ func TestStore_BlobSidecars(t *testing.T) {
 		db := setupDB(t)
 		scs := generateBlobSidecars(t, fieldparams.MaxBlobsPerBlock)
 		require.NoError(t, db.SaveBlobSidecar(ctx, scs))
-		require.Equal(t, int(fieldparams.MaxBlobsPerBlock), len(scs))
+		require.Equal(t, fieldparams.MaxBlobsPerBlock, len(scs))
 
 		got, err := db.BlobSidecarsBySlot(ctx, scs[0].Slot, uint64(len(scs)))
 		require.ErrorIs(t, err, ErrNotFound)
@@ -175,7 +175,7 @@ func TestStore_BlobSidecars(t *testing.T) {
 		db := setupDB(t)
 		scs := generateBlobSidecars(t, fieldparams.MaxBlobsPerBlock)
 		require.NoError(t, db.SaveBlobSidecar(ctx, scs))
-		require.Equal(t, int(fieldparams.MaxBlobsPerBlock), len(scs))
+		require.Equal(t, fieldparams.MaxBlobsPerBlock, len(scs))
 		got, err := db.BlobSidecarsByRoot(ctx, bytesutil.ToBytes32(scs[0].BlockRoot))
 		require.NoError(t, err)
 		require.NoError(t, equalBlobSlices(scs, got))
diff --git a/beacon-chain/rpc/eth/events/events.go b/beacon-chain/rpc/eth/events/events.go
index d47d317ea8..4ff128e80a 100644
--- a/beacon-chain/rpc/eth/events/events.go
+++ b/beacon-chain/rpc/eth/events/events.go
@@ -291,7 +291,7 @@ func (s *Server) streamPayloadAttributes(stream ethpbservice.Events_StreamEvents
 		return err
 	}
 
-	t, err := slots.ToTime(uint64(headState.GenesisTime()), headState.Slot())
+	t, err := slots.ToTime(headState.GenesisTime(), headState.Slot())
 	if err != nil {
 		return err
 	}
diff --git a/beacon-chain/rpc/eth/shared/structs_blocks_conversions.go b/beacon-chain/rpc/eth/shared/structs_blocks_conversions.go
index 45239595cd..63ecaba69d 100644
--- a/beacon-chain/rpc/eth/shared/structs_blocks_conversions.go
+++ b/beacon-chain/rpc/eth/shared/structs_blocks_conversions.go
@@ -3260,5 +3260,5 @@ func sszBytesToUint256String(b []byte) (string, error) {
 	if !math.IsValidUint256(bi) {
 		return "", fmt.Errorf("%s is not a valid Uint256", bi.String())
 	}
-	return string([]byte(bi.String())), nil
+	return string(bi.String()), nil
 }
diff --git a/beacon-chain/rpc/eth/validator/handlers.go b/beacon-chain/rpc/eth/validator/handlers.go
index 6efc8b27d4..c999072f9d 100644
--- a/beacon-chain/rpc/eth/validator/handlers.go
+++ b/beacon-chain/rpc/eth/validator/handlers.go
@@ -466,7 +466,7 @@ func (s *Server) ProduceSyncCommitteeContribution(w http.ResponseWriter, r *http
 		http2.HandleError(w, "Invalid Beacon Block Root: "+err.Error(), http.StatusBadRequest)
 		return
 	}
-	contribution, ok := s.produceSyncCommitteeContribution(ctx, w, primitives.Slot(slot), index, []byte(blockRoot))
+	contribution, ok := s.produceSyncCommitteeContribution(ctx, w, primitives.Slot(slot), index, blockRoot)
 	if !ok {
 		return
 	}
diff --git a/beacon-chain/state/state-native/setters_attestation.go b/beacon-chain/state/state-native/setters_attestation.go
index 1a070623ed..187ffdae00 100644
--- a/beacon-chain/state/state-native/setters_attestation.go
+++ b/beacon-chain/state/state-native/setters_attestation.go
@@ -54,7 +54,7 @@ func (b *BeaconState) AppendCurrentEpochAttestations(val *ethpb.PendingAttestati
 	}
 
 	atts := b.currentEpochAttestations
-	max := uint64(params.BeaconConfig().CurrentEpochAttestationsLength())
+	max := params.BeaconConfig().CurrentEpochAttestationsLength()
 	if uint64(len(atts)) >= max {
 		return fmt.Errorf("current pending attestation exceeds max length %d", max)
 	}
@@ -84,7 +84,7 @@ func (b *BeaconState) AppendPreviousEpochAttestations(val *ethpb.PendingAttestat
 	}
 
 	atts := b.previousEpochAttestations
-	max := uint64(params.BeaconConfig().PreviousEpochAttestationsLength())
+	max := params.BeaconConfig().PreviousEpochAttestationsLength()
 	if uint64(len(atts)) >= max {
 		return fmt.Errorf("previous pending attestation exceeds max length %d", max)
 	}
diff --git a/beacon-chain/state/state-native/setters_attestation_test.go b/beacon-chain/state/state-native/setters_attestation_test.go
index 19576dab20..75613fc3dd 100644
--- a/beacon-chain/state/state-native/setters_attestation_test.go
+++ b/beacon-chain/state/state-native/setters_attestation_test.go
@@ -79,7 +79,7 @@ func BenchmarkAppendPreviousEpochAttestations(b *testing.B) {
 	st, err := InitializeFromProtoPhase0(&ethpb.BeaconState{})
 	require.NoError(b, err)
 
-	max := uint64(params.BeaconConfig().PreviousEpochAttestationsLength())
+	max := params.BeaconConfig().PreviousEpochAttestationsLength()
 	if max < 2 {
 		b.Fatalf("previous epoch attestations length is less than 2: %d", max)
 	}
diff --git a/beacon-chain/state/stateutil/field_root_attestation.go b/beacon-chain/state/stateutil/field_root_attestation.go
index 4a2e636b8b..2ac08cc2df 100644
--- a/beacon-chain/state/stateutil/field_root_attestation.go
+++ b/beacon-chain/state/stateutil/field_root_attestation.go
@@ -18,7 +18,7 @@ func RootsArrayHashTreeRoot(vals [][]byte, length uint64) ([32]byte, error) {
 }
 
 func EpochAttestationsRoot(atts []*ethpb.PendingAttestation) ([32]byte, error) {
-	max := uint64(params.BeaconConfig().CurrentEpochAttestationsLength())
+	max := params.BeaconConfig().CurrentEpochAttestationsLength()
 	if uint64(len(atts)) > max {
 		return [32]byte{}, fmt.Errorf("epoch attestation exceeds max length %d", max)
 	}
diff --git a/beacon-chain/sync/rpc_handler_test.go b/beacon-chain/sync/rpc_handler_test.go
index 2ce2715c7d..5e29577a07 100644
--- a/beacon-chain/sync/rpc_handler_test.go
+++ b/beacon-chain/sync/rpc_handler_test.go
@@ -41,8 +41,8 @@ func (rt *rpcHandlerTest) testHandler(nh network.StreamHandler, rh rpcHandler, r
 		defer w.Done()
 		nh(stream)
 	}
-	server.BHost.SetStreamHandler(protocol.ID(rt.topic), h)
-	stream, err := client.BHost.NewStream(ctx, server.BHost.ID(), protocol.ID(rt.topic))
+	server.BHost.SetStreamHandler(rt.topic, h)
+	stream, err := client.BHost.NewStream(ctx, server.BHost.ID(), rt.topic)
 	require.NoError(rt.t, err)
 
 	err = rh(ctx, rhi, stream)
diff --git a/beacon-chain/sync/service.go b/beacon-chain/sync/service.go
index b299f92315..48ed16785a 100644
--- a/beacon-chain/sync/service.go
+++ b/beacon-chain/sync/service.go
@@ -13,7 +13,6 @@ import (
 	pubsub "github.com/libp2p/go-libp2p-pubsub"
 	libp2pcore "github.com/libp2p/go-libp2p/core"
 	"github.com/libp2p/go-libp2p/core/peer"
-	"github.com/libp2p/go-libp2p/core/protocol"
 	gcache "github.com/patrickmn/go-cache"
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v4/async"
@@ -208,7 +207,7 @@ func (s *Service) Stop() error {
 	}()
 	// Removing RPC Stream handlers.
 	for _, p := range s.cfg.p2p.Host().Mux().Protocols() {
-		s.cfg.p2p.Host().RemoveStreamHandler(protocol.ID(p))
+		s.cfg.p2p.Host().RemoveStreamHandler(p)
 	}
 	// Deregister Topic Subscribers.
 	for _, t := range s.cfg.p2p.PubSub().GetTopics() {
diff --git a/crypto/bls/signature_batch_test.go b/crypto/bls/signature_batch_test.go
index 6c9df38363..bf54aa216a 100644
--- a/crypto/bls/signature_batch_test.go
+++ b/crypto/bls/signature_batch_test.go
@@ -704,7 +704,7 @@ func NewInvalidSignatureSet(t *testing.T, msgBody string, num int, throwErr bool
 
 func messageBytes(message string) [32]byte {
 	var bytes [32]byte
-	copy(bytes[:], []byte(message))
+	copy(bytes[:], message)
 	return bytes
 }
 
diff --git a/proto/eth/v2/custom.go b/proto/eth/v2/custom.go
index 86132bd84e..9e7d97493f 100644
--- a/proto/eth/v2/custom.go
+++ b/proto/eth/v2/custom.go
@@ -23,7 +23,7 @@ func (x *SyncCommittee) Equals(other *SyncCommittee) bool {
 }
 
 func FloorLog2(x uint64) int {
-	return bits.Len64(uint64(x - 1))
+	return bits.Len64(x - 1)
 }
 
 func isEmptyWithLength(bb [][]byte, length uint64) bool {
diff --git a/testing/middleware/builder/builder.go b/testing/middleware/builder/builder.go
index e9cc943986..0c827d4ca6 100644
--- a/testing/middleware/builder/builder.go
+++ b/testing/middleware/builder/builder.go
@@ -255,7 +255,7 @@ func (p *Builder) registerValidators(w http.ResponseWriter, req *http.Request) {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
-		p.validatorMap[string(r.Message.Pubkey)] = msg
+		p.validatorMap[r.Message.Pubkey] = msg
 	}
 	// TODO: Verify Signatures from validators
 	w.WriteHeader(http.StatusOK)