diff --git a/idea/idea-fir/tests/org/jetbrains/kotlin/idea/fir/asJava/classes/AbstractFirLightClassTest.kt b/idea/idea-fir/tests/org/jetbrains/kotlin/idea/fir/asJava/classes/AbstractFirLightClassTest.kt
index 6b0aa4b874b..bf2ee9ff742 100644
--- a/idea/idea-fir/tests/org/jetbrains/kotlin/idea/fir/asJava/classes/AbstractFirLightClassTest.kt
+++ b/idea/idea-fir/tests/org/jetbrains/kotlin/idea/fir/asJava/classes/AbstractFirLightClassTest.kt
@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.idea.fir.findUsages.doTestWithFIRFlagsByPath
 import org.jetbrains.kotlin.idea.caches.resolve.PsiElementChecker
 import org.jetbrains.kotlin.idea.caches.resolve.findClass
 import org.jetbrains.kotlin.idea.core.script.ScriptConfigurationManager
+import org.jetbrains.kotlin.idea.fir.invalidateCaches
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase
 import org.jetbrains.kotlin.idea.test.KotlinWithJdkAndRuntimeLightProjectDescriptor
 import org.jetbrains.kotlin.psi.KtFile
@@ -25,6 +26,11 @@ abstract class AbstractFirLightClassTest : KotlinLightCodeInsightFixtureTestCase
         doTestImpl()
     }
 
+    override fun tearDown() {
+        project.invalidateCaches(file as? KtFile)
+        super.tearDown()
+    }
+
     private fun doTestImpl() {
         val fileName = fileName()
         val extraFilePath = when {