diff --git a/src/app/cartography/cartography.module.ts b/src/app/cartography/cartography.module.ts
index 93a24a5d..676d0eef 100644
--- a/src/app/cartography/cartography.module.ts
+++ b/src/app/cartography/cartography.module.ts
@@ -1,6 +1,11 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
+import { MatMenuModule, MatIconModule } from '@angular/material';
+
 import { MapComponent } from './components/map/map.component';
+import { DrawLinkToolComponent } from './components/draw-link-tool/draw-link-tool.component';
+import { NodeSelectInterfaceComponent } from './components/node-select-interface/node-select-interface.component';
+
 import { CssFixer } from './helpers/css-fixer';
 import { FontFixer } from './helpers/font-fixer';
 import { MultiLinkCalculatorHelper } from './helpers/multi-link-calculator-helper';
@@ -8,26 +13,9 @@ import { SvgToDrawingConverter } from './helpers/svg-to-drawing-converter';
 import { QtDasharrayFixer } from './helpers/qt-dasharray-fixer';
 import { LayersManager } from './managers/layers-manager';
 import { MapChangeDetectorRef } from './services/map-change-detector-ref';
-import { GraphLayout } from './widgets/graph-layout';
-import { LinksWidget } from './widgets/links';
-import { NodesWidget } from './widgets/nodes';
-import { DrawingsWidget } from './widgets/drawings';
-import { DrawingLineWidget } from './widgets/drawing-line';
-import { SelectionTool } from './tools/selection-tool';
-import { MovingTool } from './tools/moving-tool';
-import { LayersWidget } from './widgets/layers';
-import { LinkWidget } from './widgets/link';
-import { InterfaceStatusWidget } from './widgets/interface-status';
-import { InterfaceLabelWidget } from './widgets/interface-label';
-import { EllipseDrawingWidget } from './widgets/drawings/ellipse-drawing';
-import { ImageDrawingWidget } from './widgets/drawings/image-drawing';
-import { RectDrawingWidget } from './widgets/drawings/rect-drawing';
-import { TextDrawingWidget } from './widgets/drawings/text-drawing';
-import { LineDrawingWidget } from './widgets/drawings/line-drawing';
 import { Context } from './models/context';
-import { DrawLinkToolComponent } from './components/draw-link-tool/draw-link-tool.component';
-import { NodeSelectInterfaceComponent } from './components/node-select-interface/node-select-interface.component';
-import { MatMenuModule, MatIconModule } from '@angular/material';
+import { D3_MAP_IMPORTS } from './d3-map.imports';
+
 
 @NgModule({
   imports: [
@@ -48,23 +36,8 @@ import { MatMenuModule, MatIconModule } from '@angular/material';
     QtDasharrayFixer,
     LayersManager,
     MapChangeDetectorRef,
-    GraphLayout,
-    LinksWidget,
-    NodesWidget,
-    DrawingsWidget,
-    DrawingLineWidget,
-    SelectionTool,
-    MovingTool,
-    LayersWidget,
-    LinkWidget,
-    InterfaceStatusWidget,
-    InterfaceLabelWidget,
-    EllipseDrawingWidget,
-    ImageDrawingWidget,
-    LineDrawingWidget,
-    RectDrawingWidget,
-    TextDrawingWidget,
     Context,
+    ...D3_MAP_IMPORTS
   ],
   exports: [MapComponent]
 })
diff --git a/src/app/cartography/d3-map.imports.ts b/src/app/cartography/d3-map.imports.ts
new file mode 100644
index 00000000..1cc89ab2
--- /dev/null
+++ b/src/app/cartography/d3-map.imports.ts
@@ -0,0 +1,35 @@
+import { GraphLayout } from './widgets/graph-layout';
+import { LinksWidget } from './widgets/links';
+import { NodesWidget } from './widgets/nodes';
+import { DrawingsWidget } from './widgets/drawings';
+import { DrawingLineWidget } from './widgets/drawing-line';
+import { SelectionTool } from './tools/selection-tool';
+import { MovingTool } from './tools/moving-tool';
+import { LayersWidget } from './widgets/layers';
+import { LinkWidget } from './widgets/link';
+import { InterfaceStatusWidget } from './widgets/interface-status';
+import { InterfaceLabelWidget } from './widgets/interface-label';
+import { EllipseDrawingWidget } from './widgets/drawings/ellipse-drawing';
+import { ImageDrawingWidget } from './widgets/drawings/image-drawing';
+import { RectDrawingWidget } from './widgets/drawings/rect-drawing';
+import { TextDrawingWidget } from './widgets/drawings/text-drawing';
+import { LineDrawingWidget } from './widgets/drawings/line-drawing';
+
+export const D3_MAP_IMPORTS = [
+    GraphLayout,
+    LinksWidget,
+    NodesWidget,
+    DrawingsWidget,
+    DrawingLineWidget,
+    SelectionTool,
+    MovingTool,
+    LayersWidget,
+    LinkWidget,
+    InterfaceStatusWidget,
+    InterfaceLabelWidget,
+    EllipseDrawingWidget,
+    ImageDrawingWidget,
+    LineDrawingWidget,
+    RectDrawingWidget,
+    TextDrawingWidget,
+];