diff --git a/providers/kimi-for-coding/models/k3-256k.toml b/providers/kimi-for-coding/models/k3-256k.toml
index d28baff592d..2e7cd5d2d1f 100644
--- a/providers/kimi-for-coding/models/k3-256k.toml
+++ b/providers/kimi-for-coding/models/k3-256k.toml
@@ -6,7 +6,6 @@
 base_model = "moonshotai/kimi-k3"
 name = "Kimi K3-256K"
 description = "256K-context version of Kimi K3, reducing token consumption for shorter coding sessions"
-attachment = false
 
 [[reasoning_options]]
 type = "effort"
diff --git a/providers/kimi-for-coding/models/k3.toml b/providers/kimi-for-coding/models/k3.toml
index 3b31cf148db..dad0dadecd8 100644
--- a/providers/kimi-for-coding/models/k3.toml
+++ b/providers/kimi-for-coding/models/k3.toml
@@ -3,7 +3,6 @@
 #   output_config.effort = "low" | "high" | "max"
 # Cost is zeroed per this provider's subscription convention.
 base_model = "moonshotai/kimi-k3"
-attachment = false
 
 [[reasoning_options]]
 type = "toggle"