diff --git a/api-v3/test/unit/f4-inspection-legacy-fields.test.ts b/api-v3/test/unit/f4-inspection-legacy-fields.test.ts
new file mode 100644
index 0000000..476f8d8
--- /dev/null
+++ b/api-v3/test/unit/f4-inspection-legacy-fields.test.ts
@@ -0,0 +1,60 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { getMetadataArgsStorage, type QueryRunner } from 'typeorm';
+import { InspectionVisit } from '../../src/database/entities/inspection-visit.entity';
+import { F4RemoveInspectionLegacyFields1790000500000 } from '../../src/database/migrations/1790000500000-f4-remove-inspection-legacy-fields';
+
+test('F4: InspectionVisit no vuelve a mapear title ni plannedEndAt', () => {
+  const metadata = getMetadataArgsStorage();
+  const columns = metadata.columns
+    .filter((column) => column.target === InspectionVisit)
+    .map((column) => column.propertyName);
+  const indexes = metadata.indices
+    .filter((index) => index.target === InspectionVisit)
+    .map((index) => index.name);
+
+  assert.equal(columns.includes('title'), false);
+  assert.equal(columns.includes('plannedEndAt'), false);
+  assert.equal(columns.includes('plannedStartAt'), true);
+  assert.equal(indexes.includes('idx_inspection_visits_planned_dates'), false);
+  assert.equal(indexes.includes('idx_inspection_visits_planned_start_at'), true);
+});
+
+test('F4: la migración retira las columnas legacy y conserva índice de inicio', async () => {
+  const statements: string[] = [];
+  const queryRunner = {
+    query: async (sql: string) => {
+      statements.push(sql.replace(/\s+/g, ' ').trim());
+      return [];
+    },
+  } as unknown as QueryRunner;
+
+  await new F4RemoveInspectionLegacyFields1790000500000().up(queryRunner);
+  const sql = statements.join('\n');
+
+  assert.match(sql, /DROP COLUMN IF EXISTS planned_end_at/i);
+  assert.match(sql, /DROP COLUMN IF EXISTS title/i);
+  assert.match(sql, /DROP CONSTRAINT IF EXISTS chk_inspection_visits_planned_dates/i);
+  assert.match(sql, /CREATE INDEX IF NOT EXISTS idx_inspection_visits_planned_start_at/i);
+  assert.doesNotMatch(sql, /CREATE INDEX IF NOT EXISTS idx_inspection_visits_planned_dates/i);
+});
+
+test('F4: el rollback reconstruye la forma histórica de D1', async () => {
+  const statements: string[] = [];
+  const queryRunner = {
+    query: async (sql: string) => {
+      statements.push(sql.replace(/\s+/g, ' ').trim());
+      return [];
+    },
+  } as unknown as QueryRunner;
+
+  await new F4RemoveInspectionLegacyFields1790000500000().down(queryRunner);
+  const sql = statements.join('\n');
+
+  assert.match(sql, /ADD COLUMN IF NOT EXISTS title varchar\(200\)/i);
+  assert.match(sql, /UPDATE inspection_visits SET title = code WHERE title IS NULL/i);
+  assert.match(sql, /ALTER COLUMN title SET NOT NULL/i);
+  assert.match(sql, /ADD COLUMN IF NOT EXISTS planned_end_at timestamptz/i);
+  assert.match(sql, /ADD CONSTRAINT chk_inspection_visits_planned_dates CHECK/i);
+  assert.match(sql, /CREATE INDEX IF NOT EXISTS idx_inspection_visits_planned_dates/i);
+});