diff --git a/src/entities/activity/lib/types/item.ts b/src/entities/activity/lib/types/item.ts
index ccac82496..59f6f0207 100644
--- a/src/entities/activity/lib/types/item.ts
+++ b/src/entities/activity/lib/types/item.ts
@@ -50,6 +50,7 @@ export interface ActivityItemBase {
   answer: Answer
   additionalText?: string | null
   conditionalLogic: ConditionalLogic | null
+  isHidden: boolean
 }
 
 export type Config =
diff --git a/src/entities/applet/model/hooks/useActivityProgress.ts b/src/entities/applet/model/hooks/useActivityProgress.ts
index 03f083fce..3730792c4 100644
--- a/src/entities/applet/model/hooks/useActivityProgress.ts
+++ b/src/entities/applet/model/hooks/useActivityProgress.ts
@@ -31,11 +31,9 @@ export const useActivityProgress = () => {
         splashScreenItem = mapSplashScreenToRecord(props.activity.splashScreen)
       }
 
-      const preparedActivityItemProgressRecords = props.activity.items
-        .filter(x => !x.isHidden)
-        .map(item => {
-          return mapItemToRecord(item)
-        })
+      const preparedActivityItemProgressRecords = props.activity.items.map(item => {
+        return mapItemToRecord(item)
+      })
 
       const items = splashScreenItem
         ? [splashScreenItem, ...preparedActivityItemProgressRecords]
diff --git a/src/entities/applet/model/hooks/useSaveActivityItemAnswer.ts b/src/entities/applet/model/hooks/useSaveActivityItemAnswer.ts
index ee60ba425..7c51267c4 100644
--- a/src/entities/applet/model/hooks/useSaveActivityItemAnswer.ts
+++ b/src/entities/applet/model/hooks/useSaveActivityItemAnswer.ts
@@ -40,8 +40,16 @@ export const useSaveItemAnswer = ({ activityId, eventId }: Props) => {
     [dispatch, activityId, eventId],
   )
 
+  const removeItemAnswer = useCallback(
+    (itemId: string) => {
+      saveItemAnswer(itemId, [])
+    },
+    [saveItemAdditionalText, saveItemAnswer],
+  )
+
   return {
     saveItemAnswer,
     saveItemAdditionalText,
+    removeItemAnswer,
   }
 }
diff --git a/src/entities/applet/model/mapper.ts b/src/entities/applet/model/mapper.ts
index ff4642204..ccd516fa2 100644
--- a/src/entities/applet/model/mapper.ts
+++ b/src/entities/applet/model/mapper.ts
@@ -59,5 +59,6 @@ export function mapSplashScreenToRecord(splashScreen: string): ItemRecord {
     responseValues: null,
     answer: [],
     conditionalLogic: null,
+    isHidden: false,
   }
 }
diff --git a/src/widgets/ActivityDetails/model/hooks/useSurvey.ts b/src/widgets/ActivityDetails/model/hooks/useSurvey.ts
index 31822154c..650dfac11 100644
--- a/src/widgets/ActivityDetails/model/hooks/useSurvey.ts
+++ b/src/widgets/ActivityDetails/model/hooks/useSurvey.ts
@@ -5,7 +5,14 @@ import { appletModel } from "~/entities/applet"
 export const useSurvey = (activityProgress: appletModel.ActivityProgress) => {
   const items = useMemo(() => activityProgress?.items ?? [], [activityProgress.items])
 
-  const processedItems = appletModel.conditionalLogicBuilder.process(items)
+  const visibleItems = items.filter(x => !x.isHidden)
+
+  const processedItems = appletModel.conditionalLogicBuilder.process(visibleItems)
+
+  const visibleItemIds = visibleItems.map(x => x.id)
+  const processedItemIds = processedItems.map(x => x.id)
+
+  const conditionallyHiddenItemIds = visibleItemIds.filter(id => !processedItemIds.includes(id))
 
   const step = activityProgress?.step ?? 0
 
@@ -18,15 +25,16 @@ export const useSurvey = (activityProgress: appletModel.ActivityProgress) => {
   const progress = useMemo(() => {
     const defaultProgressPercentage = 0
 
-    if (!items) {
+    if (!visibleItems) {
       return defaultProgressPercentage
     }
 
-    return ((step + 1) / items.length) * 100
-  }, [items, step])
+    return ((step + 1) / visibleItems.length) * 100
+  }, [visibleItems, step])
 
   return {
     item,
+    conditionallyHiddenItemIds,
 
     hasNextStep,
     hasPrevStep,
diff --git a/src/widgets/ActivityDetails/ui/AssessmentPassingScreen.tsx b/src/widgets/ActivityDetails/ui/AssessmentPassingScreen.tsx
index 9fa20dc9f..a2a74646a 100644
--- a/src/widgets/ActivityDetails/ui/AssessmentPassingScreen.tsx
+++ b/src/widgets/ActivityDetails/ui/AssessmentPassingScreen.tsx
@@ -58,12 +58,12 @@ export const AssessmentPassingScreen = (props: Props) => {
       eventId,
     })
 
-  const { saveItemAnswer, saveItemAdditionalText } = appletModel.hooks.useSaveItemAnswer({
+  const { saveItemAnswer, saveItemAdditionalText, removeItemAnswer } = appletModel.hooks.useSaveItemAnswer({
     activityId,
     eventId,
   })
 
-  const { step, item, hasPrevStep, hasNextStep, progress } = useSurvey(activityProgress)
+  const { step, item, hasPrevStep, hasNextStep, progress, conditionallyHiddenItemIds } = useSurvey(activityProgress)
 
   const canGoBack = !item?.config.removeBackButton && props.activityDetails.responseIsEditable
 
@@ -149,12 +149,23 @@ export const AssessmentPassingScreen = (props: Props) => {
       return
     }
 
+    conditionallyHiddenItemIds?.forEach(id => removeItemAnswer(id))
+
     if (!hasNextStep) {
       return setIsModalOpen(true)
     }
 
     return onNext()
-  }, [hasNextStep, item, onNext, props.activityDetails, showWarningNotification, t])
+  }, [
+    conditionallyHiddenItemIds,
+    removeItemAnswer,
+    hasNextStep,
+    item,
+    onNext,
+    props.activityDetails,
+    showWarningNotification,
+    t,
+  ])
 
   const onItemValueChange = (value: string[]) => {
     saveItemAnswer(item.id, value)