diff --git a/python/python-features-trainer/testSrc/com/intellij/python/junit5Tests/env/PythonLangSupportTest.kt b/python/python-features-trainer/testSrc/com/intellij/python/junit5Tests/env/PythonLangSupportTest.kt
index 4394bac2288f..a7417b077ac3 100644
--- a/python/python-features-trainer/testSrc/com/intellij/python/junit5Tests/env/PythonLangSupportTest.kt
+++ b/python/python-features-trainer/testSrc/com/intellij/python/junit5Tests/env/PythonLangSupportTest.kt
@@ -5,11 +5,13 @@ import com.intellij.openapi.application.writeAction
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.project.ProjectManager
 import com.intellij.openapi.projectRoots.ProjectJdkTable
+import com.intellij.openapi.util.SystemInfoRt
 import com.intellij.python.community.impl.venv.createVenv
 import com.intellij.python.community.services.internal.impl.PythonWithLanguageLevelImpl
 import com.intellij.python.featuresTrainer.ift.PythonLangSupport
 import com.intellij.python.junit5Tests.framework.env.PyEnvTestCase
 import com.intellij.python.junit5Tests.framework.env.PythonBinaryPath
+import com.intellij.python.junit5Tests.framework.winLockedFile.deleteCheckLocking
 import com.intellij.testFramework.common.timeoutRunBlocking
 import com.jetbrains.python.PythonBinary
 import com.jetbrains.python.errorProcessing.ErrorSink
@@ -88,6 +90,11 @@ class PythonLangSupportTest {
       withContext(Dispatchers.EDT) {
         ProjectManager.getInstance().closeAndDispose(project)
       }
+      withContext(Dispatchers.IO) {
+        if (SystemInfoRt.isWindows) {
+          deleteCheckLocking(learningProjectsPath) // drop dir if some leaked python project keeps it
+        }
+      }
     }
   }
 }
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