diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/KubernetesClientConfigMapPropertySourceLocatorTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/KubernetesClientConfigMapPropertySourceLocatorTests.java
index c668480e..b4e6031d 100644
--- a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/KubernetesClientConfigMapPropertySourceLocatorTests.java
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/KubernetesClientConfigMapPropertySourceLocatorTests.java
@@ -16,7 +16,7 @@
 
 package org.springframework.cloud.kubernetes.client.config;
 
-import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 import com.github.tomakehurst.wiremock.WireMockServer;
@@ -95,7 +95,7 @@ class KubernetesClientConfigMapPropertySourceLocatorTests {
 		configMapConfigProperties.setName("bootstrap-640");
 		KubernetesClientProperties kubernetesClientProperties = new KubernetesClientProperties();
 		kubernetesClientProperties.setNamespace("default");
-		PropertySource propertySource = new KubernetesClientConfigMapPropertySourceLocator(api,
+		PropertySource<?> propertySource = new KubernetesClientConfigMapPropertySourceLocator(api,
 				configMapConfigProperties, kubernetesClientProperties).locate(new MockEnvironment());
 		assertThat(propertySource.containsProperty("spring.cloud.kubernetes.configuration.watcher.refreshDelay"))
 				.isTrue();
@@ -108,15 +108,14 @@ class KubernetesClientConfigMapPropertySourceLocatorTests {
 				.willReturn(aResponse().withStatus(200).withBody(new JSON().serialize(PROPERTIES_CONFIGMAP_LIST))));
 		ConfigMapConfigProperties configMapConfigProperties = new ConfigMapConfigProperties();
 		configMapConfigProperties.setName("fake-name");
-		ConfigMapConfigProperties.Source source1 = new ConfigMapConfigProperties.Source();
-		source1.setName("bootstrap-640");
-		source1.setNamespace("default");
-		List<ConfigMapConfigProperties.Source> sources = new ArrayList<>();
-		sources.add(source1);
+		ConfigMapConfigProperties.Source source = new ConfigMapConfigProperties.Source();
+		source.setName("bootstrap-640");
+		source.setNamespace("default");
+		List<ConfigMapConfigProperties.Source> sources = Collections.singletonList(source);
 		configMapConfigProperties.setSources(sources);
 		KubernetesClientProperties kubernetesClientProperties = new KubernetesClientProperties();
 		kubernetesClientProperties.setNamespace("dev");
-		PropertySource propertySource = new KubernetesClientConfigMapPropertySourceLocator(api,
+		PropertySource<?> propertySource = new KubernetesClientConfigMapPropertySourceLocator(api,
 				configMapConfigProperties, kubernetesClientProperties).locate(new MockEnvironment());
 		assertThat(propertySource.containsProperty("spring.cloud.kubernetes.configuration.watcher.refreshDelay"))
 				.isTrue();
diff --git a/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/ConfigMapConfigProperties.java b/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/ConfigMapConfigProperties.java
index 29577822..e8755fde 100644
--- a/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/ConfigMapConfigProperties.java
+++ b/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/ConfigMapConfigProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2019 the original author or authors.
+ * Copyright 2013-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@ package org.springframework.cloud.kubernetes.commons.config;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
@@ -132,6 +133,23 @@ public class ConfigMapConfigProperties extends AbstractConfigProperties {
 			return new NormalizedSource(normalizedName, normalizedNamespace);
 		}
 
+		@Override
+		public boolean equals(Object o) {
+			if (this == o) {
+				return true;
+			}
+			if (o == null || getClass() != o.getClass()) {
+				return false;
+			}
+			Source other = (Source) o;
+			return Objects.equals(this.name, other.name) && Objects.equals(this.namespace, other.namespace);
+		}
+
+		@Override
+		public int hashCode() {
+			return Objects.hash(name, namespace);
+		}
+
 	}
 
 	public static class NormalizedSource {
@@ -158,6 +176,23 @@ public class ConfigMapConfigProperties extends AbstractConfigProperties {
 			return "{ config-map name : '" + name + "', namespace : '" + namespace + "' }";
 		}
 
+		@Override
+		public boolean equals(Object o) {
+			if (this == o) {
+				return true;
+			}
+			if (o == null || getClass() != o.getClass()) {
+				return false;
+			}
+			NormalizedSource other = (NormalizedSource) o;
+			return Objects.equals(this.name, other.name) && Objects.equals(this.namespace, other.namespace);
+		}
+
+		@Override
+		public int hashCode() {
+			return Objects.hash(name, namespace);
+		}
+
 	}
 
 }
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/MultipleConfigMapsTests.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/MultipleConfigMapsTests.java
index ae067c16..d0cdda56 100644
--- a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/MultipleConfigMapsTests.java
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/MultipleConfigMapsTests.java
@@ -85,7 +85,7 @@ public class MultipleConfigMapsTests {
 				.addToData(data).done();
 	}
 
-	// the last confimap defined in 'multiplecms.yml' has the highest priority, so
+	// the last configmap defined in 'multiplecms.yml' has the highest priority, so
 	// the common property defined in all configmaps is taken from the last one defined
 	@Test
 	public void testCommonMessage() {