diff --git a/backend/requirements.txt b/backend/requirements.txt
index 18e1107e8..c0b05195d 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -45,7 +45,6 @@ pymilvus==2.4.6
 sentence-transformers==3.0.1
 colbert-ai==0.2.21
 einop==0.8.0
-flash_attn==2.6.3
 
 pypdf==4.3.1
 docx2txt==0.8
diff --git a/pyproject.toml b/pyproject.toml
index d67ef3b1b..d855a5652 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,6 @@ dependencies = [
     "sentence-transformers==3.0.1",
     "colbert-ai==0.2.21",
     "einop==0.8.0",
-    "flash_attn==2.6.3",
     
     "pypdf==4.3.1",
     "docx2txt==0.8",