diff --git a/SampleApp/src/Controller/AwsSdkInstrumentationController.php b/SampleApp/src/Controller/AwsSdkInstrumentationController.php
index 8b8b0b7..327cc4c 100644
--- a/SampleApp/src/Controller/AwsSdkInstrumentationController.php
+++ b/SampleApp/src/Controller/AwsSdkInstrumentationController.php
@@ -16,6 +16,8 @@
 use OpenTelemetry\Aws\Xray\Propagator;
 use OpenTelemetry\Aws\AwsSdkInstrumentation;
 
+use OpenTelemetry\SDK\Common\Configuration\Configuration;
+use OpenTelemetry\SDK\Common\Configuration\Variables;
 use OpenTelemetry\SDK\Trace\TracerProvider;
 use OpenTelemetry\SDK\Trace\SpanProcessor\SimpleSpanProcessor;