diff --git a/frontend/src/features/canvas/store/canvasExtraReducers.ts b/frontend/src/features/canvas/store/canvasExtraReducers.ts
deleted file mode 100644
index 44e8a73e82..0000000000
--- a/frontend/src/features/canvas/store/canvasExtraReducers.ts
+++ /dev/null
@@ -1,92 +0,0 @@
-import * as InvokeAI from 'app/invokeai';
-import { initialLayerState } from './canvasSlice';
-import { CanvasState } from './canvasTypes';
-import {
-  roundDownToMultiple,
-  roundToMultiple,
-} from 'common/util/roundDownToMultiple';
-import _ from 'lodash';
-import { mergeAndUploadCanvas } from '../util/mergeAndUploadCanvas';
-import { uploadImage } from 'features/gallery/util/uploadImage';
-import { ActionReducerMapBuilder } from '@reduxjs/toolkit';
-
-export const setInitialCanvasImage_reducer = (
-  state: CanvasState,
-  image: InvokeAI.Image
-) => {
-  const newBoundingBoxDimensions = {
-    width: roundDownToMultiple(_.clamp(image.width, 64, 512), 64),
-    height: roundDownToMultiple(_.clamp(image.height, 64, 512), 64),
-  };
-
-  const newBoundingBoxCoordinates = {
-    x: roundToMultiple(
-      image.width / 2 - newBoundingBoxDimensions.width / 2,
-      64
-    ),
-    y: roundToMultiple(
-      image.height / 2 - newBoundingBoxDimensions.height / 2,
-      64
-    ),
-  };
-
-  state.boundingBoxDimensions = newBoundingBoxDimensions;
-
-  state.boundingBoxCoordinates = newBoundingBoxCoordinates;
-
-  state.pastLayerStates.push(state.layerState);
-  state.layerState = {
-    ...initialLayerState,
-    objects: [
-      {
-        kind: 'image',
-        layer: 'base',
-        x: 0,
-        y: 0,
-        width: image.width,
-        height: image.height,
-        image: image,
-      },
-    ],
-  };
-  state.futureLayerStates = [];
-
-  state.isCanvasInitialized = false;
-  state.doesCanvasNeedScaling = true;
-};
-
-export const canvasExtraReducers = (
-  builder: ActionReducerMapBuilder<CanvasState>
-) => {
-  builder.addCase(mergeAndUploadCanvas.fulfilled, (state, action) => {
-    if (!action.payload) return;
-    const { image, kind, originalBoundingBox } = action.payload;
-
-    if (kind === 'temp_merged_canvas') {
-      state.pastLayerStates.push({
-        ...state.layerState,
-      });
-
-      state.futureLayerStates = [];
-
-      state.layerState.objects = [
-        {
-          kind: 'image',
-          layer: 'base',
-          ...originalBoundingBox,
-          image,
-        },
-      ];
-    }
-  });
-  builder.addCase(uploadImage.fulfilled, (state, action) => {
-    if (!action.payload) return;
-    const { image, kind, activeTabName } = action.payload;
-
-    if (kind !== 'init') return;
-
-    if (activeTabName === 'unifiedCanvas') {
-      setInitialCanvasImage_reducer(state, image);
-    }
-  });
-};
diff --git a/frontend/src/features/canvas/store/canvasSlice.ts b/frontend/src/features/canvas/store/canvasSlice.ts
index b252a1b2e4..d93ea4788c 100644
--- a/frontend/src/features/canvas/store/canvasSlice.ts
+++ b/frontend/src/features/canvas/store/canvasSlice.ts
@@ -8,10 +8,8 @@ import {
   roundDownToMultiple,
   roundToMultiple,
 } from 'common/util/roundDownToMultiple';
-import {
-  canvasExtraReducers,
-  setInitialCanvasImage_reducer,
-} from './canvasExtraReducers';
+import { canvasExtraReducers } from './reducers/extraReducers';
+import { setInitialCanvasImage as setInitialCanvasImage_reducer } from './reducers/setInitialCanvasImage';
 import calculateScale from '../util/calculateScale';
 import calculateCoordinates from '../util/calculateCoordinates';
 import floorCoordinates from '../util/floorCoordinates';
diff --git a/frontend/src/features/canvas/store/reducers/extraReducers.ts b/frontend/src/features/canvas/store/reducers/extraReducers.ts
new file mode 100644
index 0000000000..5c990d2867
--- /dev/null
+++ b/frontend/src/features/canvas/store/reducers/extraReducers.ts
@@ -0,0 +1,42 @@
+import { CanvasState } from '../canvasTypes';
+import _ from 'lodash';
+import { mergeAndUploadCanvas } from '../../util/mergeAndUploadCanvas';
+import { uploadImage } from 'features/gallery/util/uploadImage';
+import { ActionReducerMapBuilder } from '@reduxjs/toolkit';
+import { setInitialCanvasImage } from './setInitialCanvasImage';
+
+export const canvasExtraReducers = (
+  builder: ActionReducerMapBuilder<CanvasState>
+) => {
+  builder.addCase(mergeAndUploadCanvas.fulfilled, (state, action) => {
+    if (!action.payload) return;
+    const { image, kind, originalBoundingBox } = action.payload;
+
+    if (kind === 'temp_merged_canvas') {
+      state.pastLayerStates.push({
+        ...state.layerState,
+      });
+
+      state.futureLayerStates = [];
+
+      state.layerState.objects = [
+        {
+          kind: 'image',
+          layer: 'base',
+          ...originalBoundingBox,
+          image,
+        },
+      ];
+    }
+  });
+  builder.addCase(uploadImage.fulfilled, (state, action) => {
+    if (!action.payload) return;
+    const { image, kind, activeTabName } = action.payload;
+
+    if (kind !== 'init') return;
+
+    if (activeTabName === 'unifiedCanvas') {
+      setInitialCanvasImage(state, image);
+    }
+  });
+};
diff --git a/frontend/src/features/canvas/store/reducers/setInitialCanvasImage.ts b/frontend/src/features/canvas/store/reducers/setInitialCanvasImage.ts
new file mode 100644
index 0000000000..527f014ed3
--- /dev/null
+++ b/frontend/src/features/canvas/store/reducers/setInitialCanvasImage.ts
@@ -0,0 +1,53 @@
+import * as InvokeAI from 'app/invokeai';
+import { initialLayerState } from '../canvasSlice';
+import { CanvasState } from '../canvasTypes';
+import {
+  roundDownToMultiple,
+  roundToMultiple,
+} from 'common/util/roundDownToMultiple';
+import _ from 'lodash';
+
+export const setInitialCanvasImage = (
+  state: CanvasState,
+  image: InvokeAI.Image
+) => {
+  const newBoundingBoxDimensions = {
+    width: roundDownToMultiple(_.clamp(image.width, 64, 512), 64),
+    height: roundDownToMultiple(_.clamp(image.height, 64, 512), 64),
+  };
+
+  const newBoundingBoxCoordinates = {
+    x: roundToMultiple(
+      image.width / 2 - newBoundingBoxDimensions.width / 2,
+      64
+    ),
+    y: roundToMultiple(
+      image.height / 2 - newBoundingBoxDimensions.height / 2,
+      64
+    ),
+  };
+
+  state.boundingBoxDimensions = newBoundingBoxDimensions;
+
+  state.boundingBoxCoordinates = newBoundingBoxCoordinates;
+
+  state.pastLayerStates.push(state.layerState);
+  state.layerState = {
+    ...initialLayerState,
+    objects: [
+      {
+        kind: 'image',
+        layer: 'base',
+        x: 0,
+        y: 0,
+        width: image.width,
+        height: image.height,
+        image: image,
+      },
+    ],
+  };
+  state.futureLayerStates = [];
+
+  state.isCanvasInitialized = false;
+  state.doesCanvasNeedScaling = true;
+};