diff --git a/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/test/MSQTestBase.java b/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/test/MSQTestBase.java
index c17238d4b683..df9a00925cd4 100644
--- a/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/test/MSQTestBase.java
+++ b/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/test/MSQTestBase.java
@@ -381,6 +381,7 @@ public List<? extends com.fasterxml.jackson.databind.Module> getJacksonModules()
   @AfterEach
   public void tearDown2()
   {
+    Mockito.framework().clearInlineMocks();
     groupByBuffers.close();
   }