diff --git a/.github/workflows/keep-alive.yml b/.github/workflows/keep-alive.yml
deleted file mode 100644
index e0d1101..0000000
--- a/.github/workflows/keep-alive.yml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: Keep Philo-RAG Alive
-
-on:
-  schedule:
-    # 10분마다 실행 (분 시 일 월 요일)
-    # 한국 시간 08:30 ~ 18:30은 UTC 기준 23:30 ~ 09:30입니다.
-    # 08:30-08:50 KST (23:30-23:50 UTC)
-    - cron: '30-59/10 23 * * *'
-    # 09:00-17:50 KST (00:00-08:50 UTC)
-    - cron: '*/10 0-8 * * *'
-    # 18:00-18:30 KST (09:00-09:30 UTC)
-    - cron: '0-30/10 9 * * *'
-  workflow_dispatch: # 수동 실행 가능하도록 추가
-
-jobs:
-  ping:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Send Keep-alive Request
-        run: |
-          set -uo pipefail
-          URLS=(
-            "https://philo-rag-backend.onrender.com/health"
-            "https://jjadfpnpfuxjbmkxyhqt.supabase.co/rest/v1/"
-          )
-          EXIT_STATUS=0
-          for url in "${URLS[@]}"; do
-            echo "Pinging $url..."
-            # Render (/health) is GET-only. Supabase root (/ ) returns 404.
-            # Using -L to follow redirects and removing -I to use GET.
-            # We allow 4xx (like 401 Unauthorized for Supabase) as it still indicates the service is up.
-            HTTP_CODE=$(curl -s -L -o /dev/null -w "%{http_code}" --connect-timeout 30 --max-time 120 --retry 3 "$url")
-            HTTP_CODE=${HTTP_CODE:-000}
-            echo "HTTP Status for $url: $HTTP_CODE"
-            
-            if [[ "$HTTP_CODE" == "000" ]]; then
-              echo "::error::Failed to connect to $url (Connection failed)"
-              EXIT_STATUS=1
-            elif [[ "$HTTP_CODE" -ge 200 && "$HTTP_CODE" -lt 500 ]]; then
-              echo "Keep-alive ping sent to $url at $(date -u +'%Y-%m-%dT%H:%M:%SZ')"
-            else
-              echo "::error::Failed to ping $url (Status: $HTTP_CODE)"
-              EXIT_STATUS=1
-            fi
-          done
-          exit $EXIT_STATUS
diff --git a/frontend/components/chat/FloatingInput.tsx b/frontend/components/chat/FloatingInput.tsx
index c00ff25..3f74f77 100644
--- a/frontend/components/chat/FloatingInput.tsx
+++ b/frontend/components/chat/FloatingInput.tsx
@@ -48,8 +48,6 @@ export function FloatingInput({ onSendMessage, isSubmitting }: FloatingInputProp
                             lastCompositionEndAt.current = Date.now();
                         }}
                         onKeyDown={(e) => {
-                            if (e.nativeEvent.isComposing || isComposing.current || Date.now() - lastCompositionEndAt.current < 50) return;
-
                             if (e.key === "Enter" && !e.shiftKey) {
                                 e.preventDefault();
                                 handleSend();