diff --git a/packages/twenty-front/src/modules/activities/timelineActivities/components/EventList.tsx b/packages/twenty-front/src/modules/activities/timelineActivities/components/EventList.tsx
index 803f36160..49692cee1 100644
--- a/packages/twenty-front/src/modules/activities/timelineActivities/components/EventList.tsx
+++ b/packages/twenty-front/src/modules/activities/timelineActivities/components/EventList.tsx
@@ -1,8 +1,9 @@
-import { ReactElement } from 'react';
 import styled from '@emotion/styled';
+import { ReactElement } from 'react';
 
 import { EventsGroup } from '@/activities/timelineActivities/components/EventsGroup';
 import { TimelineActivity } from '@/activities/timelineActivities/types/TimelineActivity';
+import { filterOutInvalidTimelineActivities } from '@/activities/timelineActivities/utils/filterOutInvalidTimelineActivities';
 import { groupEventsByMonth } from '@/activities/timelineActivities/utils/groupEventsByMonth';
 import { ActivityTargetableObject } from '@/activities/types/ActivityTargetableEntity';
 import { useObjectMetadataItem } from '@/object-metadata/hooks/useObjectMetadataItem';
@@ -29,12 +30,17 @@ const StyledTimelineContainer = styled.div`
 `;
 
 export const EventList = ({ events, targetableObject }: EventListProps) => {
-  const groupedEvents = groupEventsByMonth(events);
-
   const mainObjectMetadataItem = useObjectMetadataItem({
     objectNameSingular: targetableObject.targetObjectNameSingular,
   }).objectMetadataItem;
 
+  const filteredEvents = filterOutInvalidTimelineActivities(
+    events,
+    mainObjectMetadataItem,
+  );
+
+  const groupedEvents = groupEventsByMonth(filteredEvents);
+
   return (
     <ScrollWrapper>
       <StyledTimelineContainer>
diff --git a/packages/twenty-front/src/modules/activities/timelineActivities/utils/__tests__/filterOutInvalidTimelineActivities.test.ts b/packages/twenty-front/src/modules/activities/timelineActivities/utils/__tests__/filterOutInvalidTimelineActivities.test.ts
new file mode 100644
index 000000000..74ecda0c1
--- /dev/null
+++ b/packages/twenty-front/src/modules/activities/timelineActivities/utils/__tests__/filterOutInvalidTimelineActivities.test.ts
@@ -0,0 +1,117 @@
+import { TimelineActivity } from '@/activities/timelineActivities/types/TimelineActivity';
+import { filterOutInvalidTimelineActivities } from '@/activities/timelineActivities/utils/filterOutInvalidTimelineActivities';
+import { ObjectMetadataItem } from '@/object-metadata/types/ObjectMetadataItem';
+
+describe('filterOutInvalidTimelineActivities', () => {
+  it('should filter out TimelineActivities with deleted fields from the properties diff', () => {
+    const events = [
+      {
+        id: '1',
+        properties: {
+          diff: {
+            field1: { before: 'value1', after: 'value2' },
+            field2: { before: 'value3', after: 'value4' },
+            field3: { before: 'value5', after: 'value6' },
+          },
+        },
+      },
+      {
+        id: '2',
+        properties: {
+          diff: {
+            field1: { before: 'value7', after: 'value8' },
+            field2: { before: 'value9', after: 'value10' },
+            field4: { before: 'value11', after: 'value12' },
+          },
+        },
+      },
+    ] as TimelineActivity[];
+
+    const mainObjectMetadataItem = {
+      fields: [{ name: 'field1' }, { name: 'field2' }, { name: 'field3' }],
+    } as ObjectMetadataItem;
+
+    const filteredEvents = filterOutInvalidTimelineActivities(
+      events,
+      mainObjectMetadataItem,
+    );
+
+    expect(filteredEvents).toEqual([
+      {
+        id: '1',
+        properties: {
+          diff: {
+            field1: { before: 'value1', after: 'value2' },
+            field2: { before: 'value3', after: 'value4' },
+            field3: { before: 'value5', after: 'value6' },
+          },
+        },
+      },
+      {
+        id: '2',
+        properties: {
+          diff: {
+            field1: { before: 'value7', after: 'value8' },
+            field2: { before: 'value9', after: 'value10' },
+          },
+        },
+      },
+    ]);
+  });
+
+  it('should return an empty array if all TimelineActivities have deleted fields in the properties diff', () => {
+    const events = [
+      {
+        id: '1',
+        properties: {
+          diff: {
+            field3: { before: 'value5', after: 'value6' },
+          },
+        },
+      },
+      {
+        id: '2',
+        properties: {
+          diff: {
+            field4: { before: 'value11', after: 'value12' },
+          },
+        },
+      },
+    ] as TimelineActivity[];
+
+    const mainObjectMetadataItem = {
+      fields: [{ name: 'field1' }, { name: 'field2' }],
+    } as ObjectMetadataItem;
+
+    const filteredEvents = filterOutInvalidTimelineActivities(
+      events,
+      mainObjectMetadataItem,
+    );
+
+    expect(filteredEvents).toEqual([]);
+  });
+
+  it('should return the same TimelineActivities if there are no properties diffs', () => {
+    const events = [
+      {
+        id: '1',
+        properties: {},
+      },
+      {
+        id: '2',
+        properties: {},
+      },
+    ] as TimelineActivity[];
+
+    const mainObjectMetadataItem = {
+      fields: [{ name: 'field1' }, { name: 'field2' }],
+    } as ObjectMetadataItem;
+
+    const filteredEvents = filterOutInvalidTimelineActivities(
+      events,
+      mainObjectMetadataItem,
+    );
+
+    expect(filteredEvents).toEqual(events);
+  });
+});
diff --git a/packages/twenty-front/src/modules/activities/timelineActivities/utils/filterOutInvalidTimelineActivities.ts b/packages/twenty-front/src/modules/activities/timelineActivities/utils/filterOutInvalidTimelineActivities.ts
new file mode 100644
index 000000000..a7badf00b
--- /dev/null
+++ b/packages/twenty-front/src/modules/activities/timelineActivities/utils/filterOutInvalidTimelineActivities.ts
@@ -0,0 +1,35 @@
+import { TimelineActivity } from '@/activities/timelineActivities/types/TimelineActivity';
+import { ObjectMetadataItem } from '@/object-metadata/types/ObjectMetadataItem';
+
+export const filterOutInvalidTimelineActivities = (
+  timelineActivities: TimelineActivity[],
+  mainObjectMetadataItem: ObjectMetadataItem,
+): TimelineActivity[] => {
+  const fieldMetadataItemMap = new Map(
+    mainObjectMetadataItem.fields.map((field) => [field.name, field]),
+  );
+
+  return timelineActivities.filter((timelineActivity) => {
+    const diff = timelineActivity.properties?.diff;
+    const canSkipValidation = !diff;
+
+    if (canSkipValidation) {
+      return true;
+    }
+
+    const validDiffEntries = Object.entries(diff).filter(([diffKey]) =>
+      fieldMetadataItemMap.has(diffKey),
+    );
+
+    if (validDiffEntries.length === 0) {
+      return false;
+    }
+
+    timelineActivity.properties = {
+      ...timelineActivity.properties,
+      diff: Object.fromEntries(validDiffEntries),
+    };
+
+    return true;
+  });
+};