diff --git a/platform/platform-api/src/com/intellij/openapi/ui/package-info.java b/platform/platform-api/src/com/intellij/openapi/ui/package-info.java
new file mode 100644
index 000000000000..22b837aba39b
--- /dev/null
+++ b/platform/platform-api/src/com/intellij/openapi/ui/package-info.java
@@ -0,0 +1,5 @@
+// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+@Nls
+package com.intellij.openapi.ui;
+
+import org.jetbrains.annotations.Nls;
\ No newline at end of file
diff --git a/platform/platform-api/src/com/intellij/openapi/ui/panel/package-info.java b/platform/platform-api/src/com/intellij/openapi/ui/panel/package-info.java
new file mode 100644
index 000000000000..ee6834b3491b
--- /dev/null
+++ b/platform/platform-api/src/com/intellij/openapi/ui/panel/package-info.java
@@ -0,0 +1,5 @@
+// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+@Nls
+package com.intellij.openapi.ui.panel;
+
+import org.jetbrains.annotations.Nls;
\ No newline at end of file