diff --git a/frontend/components/screen/ScreenDesigner.tsx b/frontend/components/screen/ScreenDesigner.tsx
index 4d644524..bb62f17e 100644
--- a/frontend/components/screen/ScreenDesigner.tsx
+++ b/frontend/components/screen/ScreenDesigner.tsx
@@ -24,19 +24,26 @@ import {
   calculateRelativePositions,
   restoreAbsolutePositions,
 } from "@/lib/utils/groupingUtils";
-import {
-  calculateGridInfo,
-  snapToGrid,
-  snapSizeToGrid,
-  generateGridLines,
-  updateSizeFromGridColumns,
-  adjustGridColumnsFromSize,
-  alignGroupChildrenToGrid,
-  calculateOptimalGroupSize,
-  normalizeGroupChildPositions,
-  calculateWidthFromColumns,
-  GridSettings as GridUtilSettings,
-} from "@/lib/utils/gridUtils";
+
+// 10px 단위 스냅 함수
+const snapTo10px = (value: number): number => {
+  return Math.round(value / 10) * 10;
+};
+
+const snapPositionTo10px = (position: Position): Position => {
+  return {
+    x: snapTo10px(position.x),
+    y: snapTo10px(position.y),
+    z: position.z,
+  };
+};
+
+const snapSizeTo10px = (size: { width: number; height: number }): { width: number; height: number } => {
+  return {
+    width: snapTo10px(size.width),
+    height: snapTo10px(size.height),
+  };
+};
 import { GroupingToolbar } from "./GroupingToolbar";
 import { screenApi, tableTypeApi } from "@/lib/api/screen";
 import { tableManagementApi } from "@/lib/api/tableManagement";
@@ -57,7 +64,6 @@ import { TemplatesPanel, TemplateComponent } from "./panels/TemplatesPanel";
 import { ComponentsPanel } from "./panels/ComponentsPanel";
 import PropertiesPanel from "./panels/PropertiesPanel";
 import DetailSettingsPanel from "./panels/DetailSettingsPanel";
-import GridPanel from "./panels/GridPanel";
 import ResolutionPanel from "./panels/ResolutionPanel";
 import { usePanelState, PanelConfig } from "@/hooks/usePanelState";
 import { FlowButtonGroup } from "./widgets/FlowButtonGroup";