diff --git a/dd-trace-ot/dd-trace-ot.gradle b/dd-trace-ot/dd-trace-ot.gradle
index 3d5772654e..5900c5f1fc 100644
--- a/dd-trace-ot/dd-trace-ot.gradle
+++ b/dd-trace-ot/dd-trace-ot.gradle
@@ -17,7 +17,8 @@ excludedClassesCoverage += [
   'datadog.trace.common.sampling.PrioritySampling',
   // This code is copied from okHttp samples and we have integration tests to verify that it works.
   'datadog.trace.common.writer.unixdomainsockets.TunnelingUnixSocket',
-  'datadog.trace.common.writer.unixdomainsockets.UnixDomainSocketFactory'
+  'datadog.trace.common.writer.unixdomainsockets.UnixDomainSocketFactory',
+  'datadog.opentracing.StringCachingBigInteger'
 ]
 
 apply plugin: 'org.unbroken-dome.test-sets'