diff --git a/packages/bbui/src/helpers.d.ts b/packages/bbui/src/helpers.d.ts
index 98c6060590..79e08657b7 100644
--- a/packages/bbui/src/helpers.d.ts
+++ b/packages/bbui/src/helpers.d.ts
@@ -1 +1,3 @@
-export const cloneDeep: <T>(obj: T) => T
+declare module "./helpers" {
+  export const cloneDeep: <T>(obj: T) => T
+}
diff --git a/packages/frontend-core/src/utils/json.d.ts b/packages/frontend-core/src/utils/json.d.ts
index 4f26f4b264..e9b6ac5703 100644
--- a/packages/frontend-core/src/utils/json.d.ts
+++ b/packages/frontend-core/src/utils/json.d.ts
@@ -2,20 +2,22 @@ import { JsonFieldMetadata, QuerySchema } from "@budibase/types"
 
 type Schema = Record<string, QuerySchema | string>
 
-export const getJSONArrayDatasourceSchema: (
-  tableSchema: Schema,
-  datasource: any
-) => Record<string, { type: string; name: string; prefixKeys: string }>
+declare module "./json" {
+  export const getJSONArrayDatasourceSchema: (
+    tableSchema: Schema,
+    datasource: any
+  ) => Record<string, { type: string; name: string; prefixKeys: string }>
 
-export const generateQueryArraySchemas: (
-  schema: Schema,
-  nestedSchemaFields?: Record<string, Schema>
-) => Schema
+  export const generateQueryArraySchemas: (
+    schema: Schema,
+    nestedSchemaFields?: Record<string, Schema>
+  ) => Schema
 
-export const convertJSONSchemaToTableSchema: (
-  jsonSchema: JsonFieldMetadata,
-  options: {
-    squashObjects?: boolean
-    prefixKeys?: string
-  }
-) => Record<string, { type: string; name: string; prefixKeys: string }>
+  export const convertJSONSchemaToTableSchema: (
+    jsonSchema: JsonFieldMetadata,
+    options: {
+      squashObjects?: boolean
+      prefixKeys?: string
+    }
+  ) => Record<string, { type: string; name: string; prefixKeys: string }>
+}