diff --git a/instrumentation/reactor-3.1/library/src/test/groovy/io/opentelemetry/instrumentation/reactor/ReactorAsyncSpanEndStrategyTest.groovy b/instrumentation/reactor-3.1/library/src/test/groovy/io/opentelemetry/instrumentation/reactor/ReactorAsyncSpanEndStrategyTest.groovy
index 5963e5597f8a..b6164fb007df 100644
--- a/instrumentation/reactor-3.1/library/src/test/groovy/io/opentelemetry/instrumentation/reactor/ReactorAsyncSpanEndStrategyTest.groovy
+++ b/instrumentation/reactor-3.1/library/src/test/groovy/io/opentelemetry/instrumentation/reactor/ReactorAsyncSpanEndStrategyTest.groovy
@@ -14,8 +14,6 @@ import reactor.core.publisher.UnicastProcessor
 import reactor.test.StepVerifier
 import spock.lang.Specification
 
-import java.util.concurrent.CancellationException
-
 class ReactorAsyncSpanEndStrategyTest extends Specification {
   BaseTracer tracer