diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/LabeledConfigMapContextToSourceDataProviderTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/LabeledConfigMapContextToSourceDataProviderTests.java
index 378ba2e7..409a3b6b 100644
--- a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/LabeledConfigMapContextToSourceDataProviderTests.java
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/LabeledConfigMapContextToSourceDataProviderTests.java
@@ -16,7 +16,6 @@
 
 package org.springframework.cloud.kubernetes.client.config;
 
-import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.Map;
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/NamedSecretContextToSourceDataProviderTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/NamedSecretContextToSourceDataProviderTests.java
index 3564729e..5e259f9d 100644
--- a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/NamedSecretContextToSourceDataProviderTests.java
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/NamedSecretContextToSourceDataProviderTests.java
@@ -16,7 +16,6 @@
 
 package org.springframework.cloud.kubernetes.client.config;
 
-import java.util.Collections;
 import java.util.Map;
 
 import com.github.tomakehurst.wiremock.WireMockServer;
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/secrets_retry/SecretsRetryEnabledTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/secrets_retry/SecretsRetryEnabledTests.java
index 4edae0b4..4aa480ea 100644
--- a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/secrets_retry/SecretsRetryEnabledTests.java
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/secrets_retry/SecretsRetryEnabledTests.java
@@ -27,7 +27,6 @@ import io.kubernetes.client.openapi.models.V1Secret;
 import io.kubernetes.client.openapi.models.V1SecretList;
 import io.kubernetes.client.util.ClientBuilder;
 import org.assertj.core.api.Assertions;
-import org.assertj.core.api.Assumptions;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;