diff --git a/utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/TestGenerator.kt b/utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/TestGenerator.kt
index b6832b9f2f..b27bd8d365 100644
--- a/utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/TestGenerator.kt
+++ b/utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/TestGenerator.kt
@@ -207,6 +207,7 @@ object TestGenerator {
                 CodegenLanguage.KOTLIN -> "Kotlin Class"
             }
         )
+        runWriteAction { testDirectory.findFile(testClassName + model.codegenLanguage.extension)?.delete() }
         val createFromTemplate: PsiElement = FileTemplateUtil.createFromTemplate(
             fileTemplate,
             testClassName,