diff --git a/dd-smoke-tests/log-injection/src/test/groovy/datadog/smoketest/LogInjectionSmokeTest.groovy b/dd-smoke-tests/log-injection/src/test/groovy/datadog/smoketest/LogInjectionSmokeTest.groovy
index e36b922ab78..f1f8211f0c6 100644
--- a/dd-smoke-tests/log-injection/src/test/groovy/datadog/smoketest/LogInjectionSmokeTest.groovy
+++ b/dd-smoke-tests/log-injection/src/test/groovy/datadog/smoketest/LogInjectionSmokeTest.groovy
@@ -3,11 +3,13 @@ package datadog.smoketest
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.Types
 import datadog.trace.api.config.GeneralConfig
+import datadog.trace.test.util.Flaky
 import spock.lang.AutoCleanup
 import spock.lang.Shared
 
 import static datadog.trace.api.config.TraceInstrumentationConfig.TRACE_128_BIT_TRACEID_LOGGING_ENABLED
 import static datadog.trace.api.config.TracerConfig.TRACE_128_BIT_TRACEID_GENERATION_ENABLED
+import static datadog.trace.test.util.Predicates.IBM8
 import static java.util.concurrent.TimeUnit.SECONDS
 
 /**
@@ -254,6 +256,7 @@ abstract class LogInjectionSmokeTest extends AbstractSmokeTest {
     return unmangled.split(" ")[1..2]
   }
 
+  @Flaky(condition = IBM8)
   def "check raw file injection"() {
     when:
     def count = waitForTraceCount(2)
diff --git a/dd-smoke-tests/sample-trace/src/test/groovy/datadog/smoketest/SampleTraceSmokeTest.groovy b/dd-smoke-tests/sample-trace/src/test/groovy/datadog/smoketest/SampleTraceSmokeTest.groovy
index cab3fa97596..e7ee1d7211d 100644
--- a/dd-smoke-tests/sample-trace/src/test/groovy/datadog/smoketest/SampleTraceSmokeTest.groovy
+++ b/dd-smoke-tests/sample-trace/src/test/groovy/datadog/smoketest/SampleTraceSmokeTest.groovy
@@ -1,5 +1,9 @@
 package datadog.smoketest
 
+import datadog.trace.test.util.Flaky
+
+import static datadog.trace.test.util.Predicates.IBM8
+
 class SampleTraceSmokeTest extends AbstractSmokeTest {
 
   @Override
@@ -21,6 +25,7 @@ class SampleTraceSmokeTest extends AbstractSmokeTest {
     processBuilder.directory(new File(buildDirectory))
   }
 
+  @Flaky(condition = IBM8)
   def 'sample traces are sent'() {
     when:
     waitForTraceCount(10)