diff --git a/src/renderer/api/endpoints/cron-job.api.ts b/src/renderer/api/endpoints/cron-job.api.ts
index 5063fbd66c..462b42b58b 100644
--- a/src/renderer/api/endpoints/cron-job.api.ts
+++ b/src/renderer/api/endpoints/cron-job.api.ts
@@ -43,22 +43,6 @@ export class CronJob extends KubeObject {
   static namespaced = true;
   static apiBase = "/apis/batch/v1beta1/cronjobs";
 
-  kind: string;
-  apiVersion: string;
-  metadata: {
-    name: string;
-    namespace: string;
-    selfLink: string;
-    uid: string;
-    resourceVersion: string;
-    creationTimestamp: string;
-    labels: {
-      [key: string]: string;
-    };
-    annotations: {
-      [key: string]: string;
-    };
-  };
   spec: {
     schedule: string;
     concurrencyPolicy: string;
diff --git a/src/renderer/api/endpoints/daemon-set.api.ts b/src/renderer/api/endpoints/daemon-set.api.ts
index 8dab807517..d7131aa120 100644
--- a/src/renderer/api/endpoints/daemon-set.api.ts
+++ b/src/renderer/api/endpoints/daemon-set.api.ts
@@ -10,7 +10,7 @@ export class DaemonSet extends WorkloadKubeObject {
   static namespaced = true;
   static apiBase = "/apis/apps/v1/daemonsets";
 
-  spec: {
+  declare spec: {
     selector: {
       matchLabels: {
         [name: string]: string;
diff --git a/src/renderer/api/endpoints/deployment.api.ts b/src/renderer/api/endpoints/deployment.api.ts
index 107e970d98..adebd1467b 100644
--- a/src/renderer/api/endpoints/deployment.api.ts
+++ b/src/renderer/api/endpoints/deployment.api.ts
@@ -72,7 +72,7 @@ export class Deployment extends WorkloadKubeObject {
   static namespaced = true;
   static apiBase = "/apis/apps/v1/deployments";
 
-  spec: {
+  declare spec: {
     replicas: number;
     selector: { matchLabels: { [app: string]: string } };
     template: {
diff --git a/src/renderer/api/endpoints/job.api.ts b/src/renderer/api/endpoints/job.api.ts
index 65b9bcfdc3..dbe0fec613 100644
--- a/src/renderer/api/endpoints/job.api.ts
+++ b/src/renderer/api/endpoints/job.api.ts
@@ -11,7 +11,7 @@ export class Job extends WorkloadKubeObject {
   static namespaced = true;
   static apiBase = "/apis/batch/v1/jobs";
 
-  spec: {
+  declare spec: {
     parallelism?: number;
     completions?: number;
     backoffLimit?: number;
diff --git a/src/renderer/api/endpoints/pods.api.ts b/src/renderer/api/endpoints/pods.api.ts
index d03e679414..8a6bc9452d 100644
--- a/src/renderer/api/endpoints/pods.api.ts
+++ b/src/renderer/api/endpoints/pods.api.ts
@@ -187,7 +187,7 @@ export class Pod extends WorkloadKubeObject {
   static namespaced = true;
   static apiBase = "/api/v1/pods";
 
-  spec: {
+  declare spec: {
     volumes?: {
       name: string;
       persistentVolumeClaim: {
diff --git a/src/renderer/api/endpoints/replica-set.api.ts b/src/renderer/api/endpoints/replica-set.api.ts
index eb1131f645..50c689ebb0 100644
--- a/src/renderer/api/endpoints/replica-set.api.ts
+++ b/src/renderer/api/endpoints/replica-set.api.ts
@@ -32,7 +32,8 @@ export class ReplicaSet extends WorkloadKubeObject {
   static kind = "ReplicaSet";
   static namespaced = true;
   static apiBase = "/apis/apps/v1/replicasets";
-  spec: {
+  
+  declare spec: {
     replicas?: number;
     selector: { matchLabels: { [app: string]: string } };
     template?: {
diff --git a/src/renderer/api/endpoints/service.api.ts b/src/renderer/api/endpoints/service.api.ts
index 6c02873139..4619475c65 100644
--- a/src/renderer/api/endpoints/service.api.ts
+++ b/src/renderer/api/endpoints/service.api.ts
@@ -46,7 +46,7 @@ export class Service extends KubeObject {
     externalIPs?: string[]; // https://kubernetes.io/docs/concepts/services-networking/service/#external-ips
   };
 
-  status: {
+  declare status: {
     loadBalancer?: {
       ingress?: {
         ip?: string;
diff --git a/src/renderer/api/endpoints/stateful-set.api.ts b/src/renderer/api/endpoints/stateful-set.api.ts
index add2a554ba..cdb56adccf 100644
--- a/src/renderer/api/endpoints/stateful-set.api.ts
+++ b/src/renderer/api/endpoints/stateful-set.api.ts
@@ -33,7 +33,7 @@ export class StatefulSet extends WorkloadKubeObject {
   static namespaced = true;
   static apiBase = "/apis/apps/v1/statefulsets";
 
-  spec: {
+  declare spec: {
     serviceName: string;
     replicas: number;
     selector: {
@@ -86,7 +86,7 @@ export class StatefulSet extends WorkloadKubeObject {
       };
     }[];
   };
-  status: {
+  declare status: {
     observedGeneration: number;
     replicas: number;
     currentReplicas: number;
diff --git a/src/renderer/api/kube-object.ts b/src/renderer/api/kube-object.ts
index 8699a3c94f..9734aea9be 100644
--- a/src/renderer/api/kube-object.ts
+++ b/src/renderer/api/kube-object.ts
@@ -144,7 +144,6 @@ export class KubeObject implements ItemObject {
   apiVersion: string;
   kind: string;
   metadata: IKubeObjectMetadata;
-  status?: any; // todo: type-safety support
 
   get selfLink() {
     return this.metadata.selfLink;
diff --git a/src/renderer/components/menu/menu.tsx b/src/renderer/components/menu/menu.tsx
index f0d172b0d7..308e6f863f 100644
--- a/src/renderer/components/menu/menu.tsx
+++ b/src/renderer/components/menu/menu.tsx
@@ -324,7 +324,7 @@ export class MenuItem extends React.Component<MenuItemProps> {
   static defaultProps = defaultPropsMenuItem as object;
   static contextType = MenuContext;
 
-  public context: MenuContextValue;
+  declare context: MenuContextValue;
   public elem: HTMLElement;
 
   get isFocusable() {
diff --git a/src/renderer/components/tabs/tabs.tsx b/src/renderer/components/tabs/tabs.tsx
index 721d7ad6f1..fa81e43929 100644
--- a/src/renderer/components/tabs/tabs.tsx
+++ b/src/renderer/components/tabs/tabs.tsx
@@ -62,7 +62,7 @@ export interface TabProps<D = any> extends DOMAttributes<HTMLElement> {
 
 export class Tab extends React.PureComponent<TabProps> {
   static contextType = TabsContext;
-  public context: TabsContextValue;
+  declare context: TabsContextValue;
   public elem: HTMLElement;
 
   get isActive() {
diff --git a/tsconfig.json b/tsconfig.json
index b2cb7376ef..c4c63baf88 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -23,6 +23,7 @@
     "allowSyntheticDefaultImports": true,
     "traceResolution": false,
     "resolveJsonModule": true,
+    "useDefineForClassFields": true,
     "paths": {
       "*": [
         "node_modules/*",