diff --git a/sdk/platformconfig.go b/sdk/platformconfig.go
index f652cf334..1b780b099 100644
--- a/sdk/platformconfig.go
+++ b/sdk/platformconfig.go
@@ -3,7 +3,7 @@ package sdk
 import "log/slog"
 
 func (s SDK) PlatformIssuer() string {
-	value, ok := s.platformConfiguration["platform_issuer"].(string)
+	value, ok := s.config.platformConfiguration["platform_issuer"].(string)
 	if !ok {
 		slog.Warn("platform_issuer not found in platform configuration")
 	}
diff --git a/sdk/sdk.go b/sdk/sdk.go
index 2a9cf98f9..0243ca8d2 100644
--- a/sdk/sdk.go
+++ b/sdk/sdk.go
@@ -45,7 +45,6 @@ type SDK struct {
 	config
 	conn                    *grpc.ClientConn
 	dialOptions             []grpc.DialOption
-	kasSessionKey           ocrypto.RsaKeyPair
 	tokenSource             auth.AccessTokenSource
 	Namespaces              namespaces.NamespaceServiceClient
 	Attributes              attributes.AttributesServiceClient
@@ -54,7 +53,6 @@ type SDK struct {
 	KeyAccessServerRegistry kasregistry.KeyAccessServerRegistryServiceClient
 	Authorization           authorization.AuthorizationServiceClient
 	EntityResoution         entityresolution.EntityResolutionServiceClient
-	platformConfiguration   PlatformConfiguration
 	wellknownConfiguration  wellknownconfiguration.WellKnownServiceClient
 }
 
@@ -151,8 +149,6 @@ func New(platformEndpoint string, opts ...Option) (*SDK, error) {
 		conn:                    defaultConn,
 		dialOptions:             dialOptions,
 		tokenSource:             accessTokenSource,
-		kasSessionKey:           *cfg.kasSessionKey,
-		platformConfiguration:   cfg.platformConfiguration,
 		Attributes:              attributes.NewAttributesServiceClient(selectConn(cfg.policyConn, defaultConn)),
 		Namespaces:              namespaces.NewNamespaceServiceClient(selectConn(cfg.policyConn, defaultConn)),
 		ResourceMapping:         resourcemapping.NewResourceMappingServiceClient(selectConn(cfg.policyConn, defaultConn)),
diff --git a/sdk/tdf.go b/sdk/tdf.go
index 4aa13cee5..9f7ec8335 100644
--- a/sdk/tdf.go
+++ b/sdk/tdf.go
@@ -388,7 +388,7 @@ func (s SDK) LoadTDF(reader io.ReadSeeker) (*Reader, error) {
 		dialOptions:   s.dialOptions,
 		tdfReader:     tdfReader,
 		manifest:      *manifestObj,
-		kasSessionKey: s.kasSessionKey,
+		kasSessionKey: *s.config.kasSessionKey,
 	}, nil
 }