From 5e53f5aed5ef88bda44a9a87985e898d3b217a61 Mon Sep 17 00:00:00 2001
From: Austen Dicken <cvpcsm@gmail.com>
Date: Sun, 11 Oct 2026 14:31:44 -0500
Subject: [PATCH] fix(diffusers): don't send negative_prompt when using
 sd_embed

Signed-off-by: Austen Dicken <cvpcsm@gmail.com>
(cherry picked from commit 69a9f6a471c4a92404ed91225d0be0e881d79bab)
---
 backend/python/diffusers/backend.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/backend/python/diffusers/backend.py b/backend/python/diffusers/backend.py
index 8a3e7ded7..558f4374c 100755
--- a/backend/python/diffusers/backend.py
+++ b/backend/python/diffusers/backend.py
@@ -882,6 +882,10 @@ class BackendServicer(backend_pb2_grpc.BackendServicer):
                     prompt = prompt,
                 )
 
+            # remove negative_prompt that may have been added earlier from options to avoid conflict
+            # errors from passing both negative_prompt and negative_prompt_embeds
+            kwargs.pop('negative_prompt', None)
+
             image = self.pipe(
                 guidance_scale=self.cfg_scale,
                 **kwargs