diff --git a/Dashboard/src/Components/Slack/SlackIntegration.tsx b/Dashboard/src/Components/Slack/SlackIntegration.tsx
index 12e8884230..7239803d7e 100644
--- a/Dashboard/src/Components/Slack/SlackIntegration.tsx
+++ b/Dashboard/src/Components/Slack/SlackIntegration.tsx
@@ -183,10 +183,16 @@ const SlackIntegration: FunctionComponent<ComponentProps> = (
     return <ErrorMessage message={error} />;
   }
 
-  const connectWithSlack = (data: {
+  interface ConnectWithSlackData {
     mode: "workspace" | "user";
     expectedWorkspaceProjectId?: string;
-  }): void => {
+  }
+
+  type ConnectWithSlack = (data: ConnectWithSlackData) => void;
+
+  const connectWithSlack: ConnectWithSlack = (
+    data: ConnectWithSlackData,
+  ): void => {
     if (!SlackAppClientId) {
       setError(
         <div>
diff --git a/Dashboard/src/Components/Workspace/WorkspaceNotificationRulesTable.tsx b/Dashboard/src/Components/Workspace/WorkspaceNotificationRulesTable.tsx
index 71afe9350c..875d791e43 100644
--- a/Dashboard/src/Components/Workspace/WorkspaceNotificationRulesTable.tsx
+++ b/Dashboard/src/Components/Workspace/WorkspaceNotificationRulesTable.tsx
@@ -419,7 +419,11 @@ const WorkspaceNotificationRuleTable: FunctionComponent<ComponentProps> = (
     return <ErrorMessage message={error} />;
   }
 
-  const getWorkspaceDisplayName = (
+  type GetWorkspaceDisplayName = (
+    workspace: WorkspaceProjectAuthToken,
+  ) => string;
+
+  const getWorkspaceDisplayName: GetWorkspaceDisplayName = (
     workspace: WorkspaceProjectAuthToken,
   ): string => {
     if (props.workspaceType === WorkspaceType.Slack) {
@@ -458,7 +462,9 @@ const WorkspaceNotificationRuleTable: FunctionComponent<ComponentProps> = (
       ? workspaceProjectAuthTokens[0]?.id?.toString()
       : undefined;
 
-  const getWorkspaceNameById = (id?: string): string => {
+  type GetWorkspaceNameById = (id?: string) => string;
+
+  const getWorkspaceNameById: GetWorkspaceNameById = (id?: string): string => {
     if (!id) {
       return "-";
     }