diff --git a/src/http.ts b/src/http.ts
index d78878b..fe482f0 100644
--- a/src/http.ts
+++ b/src/http.ts
@@ -1375,31 +1375,16 @@ export class LemmyHttp {
   /**
    * Upload an image to the server.
    */
-  async uploadImage({
-    image,
-    auth,
-  }: UploadImage): Promise<UploadImageResponse> {
+  async uploadImage({ image }: UploadImage): Promise<UploadImageResponse> {
     const formData = createFormData(image);
 
-    // If auth cookie not already set by browser, set it with passed in auth
-    const headers = {} as any;
-    if (
-      !globalThis?.document?.cookie?.includes("auth=") &&
-      !this.#headers?.Cookie?.includes("auth=")
-    ) {
-      headers.Cookie = `auth=${auth}`;
-    }
-
     let url: string | undefined = undefined;
     let delete_url: string | undefined = undefined;
 
     const response = await this.#fetchFunction(this.#pictrsUrl, {
       method: HttpType.Post,
       body: formData as unknown as BodyInit,
-      headers: {
-        ...this.#headers,
-        ...headers,
-      },
+      headers: this.#headers,
     });
 
     if (response.status === 413) {
@@ -1424,24 +1409,12 @@ export class LemmyHttp {
   /**
    * Delete a pictrs image
    */
-  async deleteImage({ token, filename, auth }: DeleteImage): Promise<any> {
-    // If auth cookie not already set by browser, set it with passed in auth
-    const headers = {} as any;
-    if (
-      !globalThis?.document?.cookie?.includes("auth=") &&
-      !this.#headers?.Cookie?.includes("auth=")
-    ) {
-      headers.Cookie = `auth=${auth}`;
-    }
-
+  async deleteImage({ token, filename }: DeleteImage): Promise<any> {
     const deleteUrl = `${this.#pictrsUrl}/delete/${token}/${filename}`;
 
     const response = await this.#fetchFunction(deleteUrl, {
       method: HttpType.Get,
-      headers: {
-        ...this.#headers,
-        ...headers,
-      },
+      headers: this.#headers,
     });
 
     return await response.json();
diff --git a/src/other_types.ts b/src/other_types.ts
index 8f2504a..9db74ea 100644
--- a/src/other_types.ts
+++ b/src/other_types.ts
@@ -2,10 +2,6 @@ export const VERSION = "v3";
 
 export interface UploadImage {
   image: File | Buffer;
-  /**
-   * Optional if cookie with jwt set is already present. Otherwise, auth is required.
-   */
-  auth?: string;
 }
 
 export interface UploadImageResponse {
@@ -26,8 +22,4 @@ export interface ImageFile {
 export interface DeleteImage {
   token: string;
   filename: string;
-  /**
-   * Optional if cookie with jwt set is already present. Otherwise, auth is required.
-   */
-  auth?: string;
 }