diff --git a/syft/source/ocimodelsource/oci_model_source.go b/syft/source/ocimodelsource/oci_model_source.go
index d8ccc289d..720823ecc 100644
--- a/syft/source/ocimodelsource/oci_model_source.go
+++ b/syft/source/ocimodelsource/oci_model_source.go
@@ -178,13 +178,14 @@ func calculateTotalSize(layers []source.LayerMetadata) int64 {
 func deriveIDFromArtifact(cfg Config) artifact.ID {
 	var info string
 
-	if !cfg.Alias.IsEmpty() {
+	switch {
+	case !cfg.Alias.IsEmpty():
 		// Use alias for stable artifact ID
 		info = fmt.Sprintf("%s@%s", cfg.Alias.Name, cfg.Alias.Version)
-	} else if cfg.Metadata.ManifestDigest != "" {
+	case cfg.Metadata.ManifestDigest != "":
 		// Use manifest digest
 		info = cfg.Metadata.ManifestDigest
-	} else {
+	default:
 		// Fall back to reference
 		log.Warn("no explicit name/version or manifest digest, deriving artifact ID from reference")
 		info = cfg.Reference
@@ -255,6 +256,6 @@ func (s *ociModelSource) Close() error {
 }
 
 // removeFile removes a file and logs any errors.
-func removeFile(path string) error {
+func removeFile(_ string) error {
 	return nil // Placeholder for now
 }
diff --git a/syft/source/ocimodelsource/registry_client.go b/syft/source/ocimodelsource/registry_client.go
index d9fe3a385..a124e8fc4 100644
--- a/syft/source/ocimodelsource/registry_client.go
+++ b/syft/source/ocimodelsource/registry_client.go
@@ -32,10 +32,7 @@ type RegistryClient struct {
 
 // NewRegistryClient creates a new registry client with authentication from RegistryOptions.
 func NewRegistryClient(registryOpts *image.RegistryOptions) (*RegistryClient, error) {
-	opts, err := buildRemoteOptions(registryOpts)
-	if err != nil {
-		return nil, fmt.Errorf("failed to build remote options: %w", err)
-	}
+	opts := buildRemoteOptions(registryOpts)
 
 	return &RegistryClient{
 		options: opts,
@@ -43,11 +40,11 @@ func NewRegistryClient(registryOpts *image.RegistryOptions) (*RegistryClient, er
 }
 
 // buildRemoteOptions converts stereoscope RegistryOptions to go-containerregistry remote.Options.
-func buildRemoteOptions(registryOpts *image.RegistryOptions) ([]remote.Option, error) {
+func buildRemoteOptions(registryOpts *image.RegistryOptions) []remote.Option {
 	var opts []remote.Option
 
 	if registryOpts == nil {
-		return opts, nil
+		return opts
 	}
 
 	// Build authenticator
@@ -66,7 +63,7 @@ func buildRemoteOptions(registryOpts *image.RegistryOptions) ([]remote.Option, e
 		opts = append(opts, remote.WithTransport(http.DefaultTransport))
 	}
 
-	return opts, nil
+	return opts
 }
 
 // buildAuthenticator creates an authn.Authenticator from RegistryOptions.
@@ -104,7 +101,7 @@ type ModelArtifact struct {
 }
 
 // FetchModelArtifact fetches and parses an OCI model artifact from the registry.
-func (c *RegistryClient) FetchModelArtifact(ctx context.Context, refStr string) (*ModelArtifact, error) {
+func (c *RegistryClient) FetchModelArtifact(_ context.Context, refStr string) (*ModelArtifact, error) {
 	// Parse reference
 	ref, err := name.ParseReference(refStr)
 	if err != nil {
@@ -176,7 +173,7 @@ func extractGGUFLayers(manifest *v1.Manifest) []v1.Descriptor {
 
 // FetchBlobRange fetches a byte range from a blob in the registry.
 // This is used to fetch only the GGUF header without downloading the entire multi-GB file.
-func (c *RegistryClient) FetchBlobRange(ctx context.Context, ref name.Reference, digest v1.Hash, maxBytes int64) ([]byte, error) {
+func (c *RegistryClient) FetchBlobRange(_ context.Context, ref name.Reference, digest v1.Hash, maxBytes int64) ([]byte, error) {
 	// Use the remote package's Layer fetching with our options
 	// Then read only the first maxBytes
 	repo := ref.Context()
@@ -207,7 +204,7 @@ func (c *RegistryClient) FetchBlobRange(ctx context.Context, ref name.Reference,
 
 // IsModelArtifactReference checks if a reference points to a model artifact.
 // This is a lightweight check that only fetches the manifest.
-func (c *RegistryClient) IsModelArtifactReference(ctx context.Context, refStr string) (bool, error) {
+func (c *RegistryClient) IsModelArtifactReference(_ context.Context, refStr string) (bool, error) {
 	ref, err := name.ParseReference(refStr)
 	if err != nil {
 		return false, fmt.Errorf("failed to parse reference %q: %w", refStr, err)
diff --git a/syft/source/ocimodelsource/resolver.go b/syft/source/ocimodelsource/resolver.go
index 0ed98e8ad..7470c21ac 100644
--- a/syft/source/ocimodelsource/resolver.go
+++ b/syft/source/ocimodelsource/resolver.go
@@ -127,14 +127,14 @@ func (r *ociModelResolver) FilesByGlob(patterns ...string) ([]file.Location, err
 
 // FilesByMIMEType returns locations for files with the given MIME types.
 // This is not implemented for OCI model artifacts as we don't have MIME type detection.
-func (r *ociModelResolver) FilesByMIMEType(types ...string) ([]file.Location, error) {
+func (r *ociModelResolver) FilesByMIMEType(_ ...string) ([]file.Location, error) {
 	// Not implemented - OCI model artifacts don't have MIME type detection
 	return nil, nil
 }
 
 // RelativeFileByPath returns a file at the given path relative to the reference location.
 // This is not applicable for OCI model artifacts.
-func (r *ociModelResolver) RelativeFileByPath(_ file.Location, path string) *file.Location {
+func (r *ociModelResolver) RelativeFileByPath(_ file.Location, _ string) *file.Location {
 	// Not implemented - no layer hierarchy in OCI model artifacts
 	return nil
 }