diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractEventSourceHolderDependentResource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractEventSourceHolderDependentResource.java
index 5cee9467f1..7449f0ca00 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractEventSourceHolderDependentResource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractEventSourceHolderDependentResource.java
@@ -1,5 +1,6 @@
 package io.javaoperatorsdk.operator.processing.dependent;
 
+import java.lang.reflect.ParameterizedType;
 import java.util.Optional;
 
 import io.fabric8.kubernetes.api.model.HasMetadata;
@@ -23,13 +24,25 @@ public abstract class AbstractEventSourceHolderDependentResource<
   private boolean isCacheFillerEventSource;
   protected String eventSourceNameToUse;
 
+  @SuppressWarnings("unchecked")
+  protected AbstractEventSourceHolderDependentResource() {
+    this(null, null);
+  }
+
   protected AbstractEventSourceHolderDependentResource(Class<R> resourceType) {
     this(resourceType, null);
   }
 
+  @SuppressWarnings("unchecked")
   protected AbstractEventSourceHolderDependentResource(Class<R> resourceType, String name) {
     super(name);
-    this.resourceType = resourceType;
+    if (resourceType == null) {
+      this.resourceType =
+          (Class<R>)
+              ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
+    } else {
+      this.resourceType = resourceType;
+    }
   }
 
   /**
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java
index 1148895709..4c828b7eb9 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java
@@ -21,6 +21,8 @@ public abstract class AbstractExternalDependentResource<
 
   private InformerEventSource<?, P> externalStateEventSource;
 
+  protected AbstractExternalDependentResource() {}
+
   @SuppressWarnings("unchecked")
   protected AbstractExternalDependentResource(Class<R> resourceType) {
     super(resourceType);
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/AbstractPollingDependentResource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/AbstractPollingDependentResource.java
index 659b8b4720..3cf93cba53 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/AbstractPollingDependentResource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/AbstractPollingDependentResource.java
@@ -16,6 +16,8 @@ public abstract class AbstractPollingDependentResource<R, P extends HasMetadata>
   public static final Duration DEFAULT_POLLING_PERIOD = Duration.ofMillis(5000);
   private Duration pollingPeriod;
 
+  protected AbstractPollingDependentResource() {}
+
   protected AbstractPollingDependentResource(Class<R> resourceType) {
     this(resourceType, DEFAULT_POLLING_PERIOD);
   }
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/PerResourcePollingDependentResource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/PerResourcePollingDependentResource.java
index 8cbe9f48d5..c0181207d8 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/PerResourcePollingDependentResource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/external/PerResourcePollingDependentResource.java
@@ -14,6 +14,8 @@ public abstract class PerResourcePollingDependentResource<R, P extends HasMetada
     extends AbstractPollingDependentResource<R, P>
     implements PerResourcePollingEventSource.ResourceFetcher<R, P> {
 
+  public PerResourcePollingDependentResource() {}
+
   public PerResourcePollingDependentResource(Class<R> resourceType) {
     super(resourceType);
   }
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/CRUDKubernetesDependentResource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/CRUDKubernetesDependentResource.java
index afe4302fc3..392ac6d894 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/CRUDKubernetesDependentResource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/CRUDKubernetesDependentResource.java
@@ -18,6 +18,8 @@ public abstract class CRUDKubernetesDependentResource<R extends HasMetadata, P e
     extends KubernetesDependentResource<R, P>
     implements Creator<R, P>, Updater<R, P>, GarbageCollected<P> {
 
+  public CRUDKubernetesDependentResource() {}
+
   public CRUDKubernetesDependentResource(Class<R> resourceType) {
     super(resourceType);
   }
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/KubernetesDependentResource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/KubernetesDependentResource.java
index 382ac7525c..2f18b692fa 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/KubernetesDependentResource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/KubernetesDependentResource.java
@@ -41,6 +41,8 @@ public abstract class KubernetesDependentResource<R extends HasMetadata, P exten
   private KubernetesDependentResourceConfig<R> kubernetesDependentResourceConfig;
   private volatile Boolean useSSA;
 
+  public KubernetesDependentResource() {}
+
   public KubernetesDependentResource(Class<R> resourceType) {
     this(resourceType, null);
   }
diff --git a/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SchemaDependentResource.java b/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SchemaDependentResource.java
index 5bc210f7d4..ec2b03325c 100644
--- a/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SchemaDependentResource.java
+++ b/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SchemaDependentResource.java
@@ -54,10 +54,6 @@ public class SchemaDependentResource
 
   private MySQLDbConfig dbConfig;
 
-  public SchemaDependentResource() {
-    super(Schema.class);
-  }
-
   @Override
   public Optional<ResourcePollerConfig> configuration() {
     return Optional.of(new ResourcePollerConfig(getPollingPeriod(), dbConfig));
diff --git a/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SecretDependentResource.java b/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SecretDependentResource.java
index 092ac22e24..cff28feadd 100644
--- a/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SecretDependentResource.java
+++ b/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/dependent/SecretDependentResource.java
@@ -27,10 +27,6 @@ public class SecretDependentResource extends KubernetesDependentResource<Secret,
   public static final String MYSQL_SECRET_USERNAME = "mysql.secret.user.name";
   public static final String MYSQL_SECRET_PASSWORD = "mysql.secret.user.password";
 
-  public SecretDependentResource() {
-    super(Secret.class);
-  }
-
   private static String encode(String value) {
     return Base64.getEncoder().encodeToString(value.getBytes());
   }
diff --git a/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/DeploymentDependentResource.java b/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/DeploymentDependentResource.java
index 6a18111b27..c7f25e996c 100644
--- a/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/DeploymentDependentResource.java
+++ b/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/DeploymentDependentResource.java
@@ -14,10 +14,6 @@
 public class DeploymentDependentResource
     extends CRUDKubernetesDependentResource<Deployment, Tomcat> {
 
-  public DeploymentDependentResource() {
-    super(Deployment.class);
-  }
-
   private static String tomcatImage(Tomcat tomcat) {
     return "tomcat:" + tomcat.getSpec().getVersion();
   }
diff --git a/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/ServiceDependentResource.java b/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/ServiceDependentResource.java
index b42a42257d..bb0359458e 100644
--- a/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/ServiceDependentResource.java
+++ b/sample-operators/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/ServiceDependentResource.java
@@ -13,10 +13,6 @@
     informer = @Informer(labelSelector = "app.kubernetes.io/managed-by=tomcat-operator"))
 public class ServiceDependentResource extends CRUDKubernetesDependentResource<Service, Tomcat> {
 
-  public ServiceDependentResource() {
-    super(Service.class);
-  }
-
   @Override
   protected Service desired(Tomcat tomcat, Context<Tomcat> context) {
     final ObjectMeta tomcatMetadata = tomcat.getMetadata();
diff --git a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ConfigMapDependentResource.java b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ConfigMapDependentResource.java
index 816db3688e..0cf8faad7c 100644
--- a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ConfigMapDependentResource.java
+++ b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ConfigMapDependentResource.java
@@ -20,10 +20,6 @@
 public class ConfigMapDependentResource
     extends CRUDKubernetesDependentResource<ConfigMap, WebPage> {
 
-  public ConfigMapDependentResource() {
-    super(ConfigMap.class);
-  }
-
   @Override
   protected ConfigMap desired(WebPage webPage, Context<WebPage> context) {
     Map<String, String> data = new HashMap<>();
diff --git a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/DeploymentDependentResource.java b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/DeploymentDependentResource.java
index 3476464f1f..4deef0f1c0 100644
--- a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/DeploymentDependentResource.java
+++ b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/DeploymentDependentResource.java
@@ -22,10 +22,6 @@
 public class DeploymentDependentResource
     extends CRUDKubernetesDependentResource<Deployment, WebPage> {
 
-  public DeploymentDependentResource() {
-    super(Deployment.class);
-  }
-
   @Override
   protected Deployment desired(WebPage webPage, Context<WebPage> context) {
     Map<String, String> labels = new HashMap<>();
diff --git a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/IngressDependentResource.java b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/IngressDependentResource.java
index 994a35c98c..3f3e64e8ed 100644
--- a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/IngressDependentResource.java
+++ b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/IngressDependentResource.java
@@ -15,10 +15,6 @@
     informer = @Informer(labelSelector = WebPageManagedDependentsReconciler.SELECTOR))
 public class IngressDependentResource extends CRUDKubernetesDependentResource<Ingress, WebPage> {
 
-  public IngressDependentResource() {
-    super(Ingress.class);
-  }
-
   @Override
   protected Ingress desired(WebPage webPage, Context<WebPage> context) {
     return makeDesiredIngress(webPage);
diff --git a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ServiceDependentResource.java b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ServiceDependentResource.java
index b1ab856f62..01e8953fa9 100644
--- a/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ServiceDependentResource.java
+++ b/sample-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/dependentresource/ServiceDependentResource.java
@@ -22,10 +22,6 @@ public class ServiceDependentResource
             .CRUDKubernetesDependentResource<
         Service, WebPage> {
 
-  public ServiceDependentResource() {
-    super(Service.class);
-  }
-
   @Override
   protected Service desired(WebPage webPage, Context<WebPage> context) {
     Map<String, String> serviceLabels = new HashMap<>();