diff --git a/superglue/spec/lib/flashReducer.spec.js b/superglue/spec/lib/flashReducer.spec.js
new file mode 100644
index 00000000..14fe2e0a
--- /dev/null
+++ b/superglue/spec/lib/flashReducer.spec.js
@@ -0,0 +1,96 @@
+import { describe, expect, it } from 'vitest'
+import { flashReducer } from '../../lib/reducers'
+
+describe('flash reducer', () => {
+  describe('RESET', () => {
+    it('resets to empty', () => {
+      const prevState = { notice: 'hello' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/RESET',
+      })
+      expect(nextState).toEqual({})
+    })
+  })
+
+  describe('BEFORE_VISIT', () => {
+    it('clears flash on visit', () => {
+      const prevState = { notice: 'hello', alert: 'danger' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/BEFORE_VISIT',
+        payload: {
+          currentPageKey: '/foo',
+          fetchArgs: ['/foo', {}],
+        },
+      })
+      expect(nextState).toEqual({})
+    })
+  })
+
+  describe('CLEAR_FLASH', () => {
+    it('clears all flash when no key provided', () => {
+      const prevState = { notice: 'hello', alert: 'danger' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/CLEAR_FLASH',
+        payload: {},
+      })
+      expect(nextState).toEqual({})
+    })
+
+    it('clears a specific key', () => {
+      const prevState = { notice: 'hello', alert: 'danger' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/CLEAR_FLASH',
+        payload: { key: 'notice' },
+      })
+      expect(nextState).toEqual({ alert: 'danger' })
+    })
+  })
+
+  describe('FLASH', () => {
+    it('merges flash data', () => {
+      const prevState = { notice: 'hello' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/FLASH',
+        payload: { flash: { alert: 'danger' } },
+      })
+      expect(nextState).toEqual({ notice: 'hello', alert: 'danger' })
+    })
+
+    it('overwrites existing keys', () => {
+      const prevState = { notice: 'hello' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/FLASH',
+        payload: { flash: { notice: 'updated' } },
+      })
+      expect(nextState).toEqual({ notice: 'updated' })
+    })
+  })
+
+  describe('RECEIVE_RESPONSE', () => {
+    it('merges flash from response', () => {
+      const prevState = {}
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/RECEIVE_RESPONSE',
+        payload: {
+          pageKey: '/foo',
+          response: {
+            flash: { notice: 'Success!' },
+          },
+        },
+      })
+      expect(nextState).toEqual({ notice: 'Success!' })
+    })
+
+    it('returns state when response has no flash', () => {
+      const prevState = { notice: 'existing' }
+      const nextState = flashReducer(prevState, {
+        type: '@@superglue/RECEIVE_RESPONSE',
+        payload: {
+          pageKey: '/foo',
+          response: {},
+        },
+      })
+      expect(nextState).toEqual({ notice: 'existing' })
+    })
+  })
+})
diff --git a/superglue/spec/lib/reducers.spec.js b/superglue/spec/lib/reducers.spec.js
index da107bfe..e30cde02 100644
--- a/superglue/spec/lib/reducers.spec.js
+++ b/superglue/spec/lib/reducers.spec.js
@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from 'vitest'
-import { pageReducer, superglueReducer, flashReducer } from '../../lib/reducers'
+import { pageReducer, superglueReducer } from '../../lib/reducers'
 
 describe('reducers', () => {
   describe('superglue reducer', () => {
@@ -468,98 +468,4 @@ describe('reducers', () => {
       })
     })
   })
-
-  describe('flash reducer', () => {
-    describe('RESET', () => {
-      it('resets to empty', () => {
-        const prevState = { notice: 'hello' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/RESET',
-        })
-        expect(nextState).toEqual({})
-      })
-    })
-
-    describe('BEFORE_VISIT', () => {
-      it('clears flash on visit', () => {
-        const prevState = { notice: 'hello', alert: 'danger' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/BEFORE_VISIT',
-          payload: {
-            currentPageKey: '/foo',
-            fetchArgs: ['/foo', {}],
-          },
-        })
-        expect(nextState).toEqual({})
-      })
-    })
-
-    describe('CLEAR_FLASH', () => {
-      it('clears all flash when no key provided', () => {
-        const prevState = { notice: 'hello', alert: 'danger' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/CLEAR_FLASH',
-          payload: {},
-        })
-        expect(nextState).toEqual({})
-      })
-
-      it('clears a specific key', () => {
-        const prevState = { notice: 'hello', alert: 'danger' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/CLEAR_FLASH',
-          payload: { key: 'notice' },
-        })
-        expect(nextState).toEqual({ alert: 'danger' })
-      })
-    })
-
-    describe('FLASH', () => {
-      it('merges flash data', () => {
-        const prevState = { notice: 'hello' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/FLASH',
-          payload: { flash: { alert: 'danger' } },
-        })
-        expect(nextState).toEqual({ notice: 'hello', alert: 'danger' })
-      })
-
-      it('overwrites existing keys', () => {
-        const prevState = { notice: 'hello' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/FLASH',
-          payload: { flash: { notice: 'updated' } },
-        })
-        expect(nextState).toEqual({ notice: 'updated' })
-      })
-    })
-
-    describe('RECEIVE_RESPONSE', () => {
-      it('merges flash from response', () => {
-        const prevState = {}
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/RECEIVE_RESPONSE',
-          payload: {
-            pageKey: '/foo',
-            response: {
-              flash: { notice: 'Success!' },
-            },
-          },
-        })
-        expect(nextState).toEqual({ notice: 'Success!' })
-      })
-
-      it('returns state when response has no flash', () => {
-        const prevState = { notice: 'existing' }
-        const nextState = flashReducer(prevState, {
-          type: '@@superglue/RECEIVE_RESPONSE',
-          payload: {
-            pageKey: '/foo',
-            response: {},
-          },
-        })
-        expect(nextState).toEqual({ notice: 'existing' })
-      })
-    })
-  })
 })