diff --git a/bin/layers/opengl_panel/opengl_panel.hpp b/bin/layers/opengl_panel/opengl_panel.hpp
index 3d38c47..b84826f 100755
--- a/bin/layers/opengl_panel/opengl_panel.hpp
+++ b/bin/layers/opengl_panel/opengl_panel.hpp
@@ -1,10 +1,9 @@
 #pragma once
 
-#include "VE.hpp" // IWYU pragma: keep
+#include <VE.hpp>
 
 namespace sandbox
 {
-
   class cube : public VE::opengl
   {
     public:
diff --git a/bin/layers/test_panel/test_panel.cpp b/bin/layers/test_panel/test_panel.cpp
index 6791b9b..ea41ff1 100755
--- a/bin/layers/test_panel/test_panel.cpp
+++ b/bin/layers/test_panel/test_panel.cpp
@@ -6,17 +6,6 @@ namespace sandbox
   void test_panel::on_attach() 
   {
     hack::log()("on_attach");
-
-    // set layer params
-    // m_passport.m_name = "test_panel";
-    m_passport.m_size = mt::vec2{ 600.f, 100.f };
-    m_passport.m_pos = mt::vec2{ 100.f, 100.f };
-
-    // HERE
-    // можно сделать это функцией remove_frags(...)
-    // устанавливаем/убираем флаги отличные от установки по умолчанию
-    // в данном примере убираем флаг
-    m_window_flags &= ~ImGuiWindowFlags_NoTitleBar;
   }
 
   void test_panel::on_detach()
@@ -26,13 +15,18 @@ namespace sandbox
 
   void test_panel::render()
   {
-    begin();
-      if (ImGui::Button("RUN", ImVec2(28, 30))) 
-      {
-        VE::event e { test_event::TEST_EVEN , std::string("test event message") };
-        execute(e);
-      }
-    end();
+    ImGui::SetNextWindowPos(m_pos);
+    ImGui::SetNextWindowSize(m_size);
+
+    if (!ImGui::Begin("#test_panel_1", &m_p_open, m_window_flags)) ImGui::End();
+
+    if (ImGui::Button("RUN", ImVec2(28, 30))) 
+    {
+      VE::event e { test_event::TEST_EVEN , std::string("test event message") };
+      execute(e);
+    }
+
+    ImGui::End();
   }
 
   void test_panel::on_event(VE::event e)
diff --git a/bin/layers/test_panel/test_panel.hpp b/bin/layers/test_panel/test_panel.hpp
index 052e275..6226352 100755
--- a/bin/layers/test_panel/test_panel.hpp
+++ b/bin/layers/test_panel/test_panel.hpp
@@ -1,12 +1,15 @@
 #pragma once
 
-#include "VE.hpp" // IWYU pragma: keep
+#include <VE.hpp>
 
 namespace sandbox
 {
   class test_panel : public VE::layer
   {
     VE_FN_OVERIDE();
+
+    ImVec2 m_size = ImVec2{ 600.f, 100.f  };
+    ImVec2 m_pos = ImVec2{ 100.f, 100.f };
   };
 }
 
diff --git a/bin/layers/test_panel_2/test_panel_2.cpp b/bin/layers/test_panel_2/test_panel_2.cpp
index da1feac..a33cf97 100755
--- a/bin/layers/test_panel_2/test_panel_2.cpp
+++ b/bin/layers/test_panel_2/test_panel_2.cpp
@@ -9,8 +9,6 @@ namespace sandbox
 
     // set layer params
     // m_passport.m_name = "test_panel";
-    m_passport.m_size = mt::vec2{ 400.f, 400.f };
-    m_passport.m_pos = mt::vec2{ 400.f, 400.f };
   }
 
   void test_panel_2::on_detach()
@@ -20,26 +18,30 @@ namespace sandbox
 
   void test_panel_2::render()
   {
-    begin();
-      if (ImGui::Button("RUN", ImVec2(28, 30))) 
-      {
-        VE::event e { test_event::TEST_EVEN , std::string("test event message") };
-        execute(e);
-      }
+    ImGui::SetNextWindowPos(m_pos);
+    ImGui::SetNextWindowSize(m_size);
 
-      VE_PUSH_FONT(ICON, 18);
+    if (!ImGui::Begin("#test_panel_2", &m_p_open, m_window_flags)) ImGui::End();
+    if (ImGui::Button("RUN", ImVec2(28, 30))) 
+    {
+      VE::event e { test_event::TEST_EVEN , std::string("test event message") };
+      execute(e);
+    }
 
-      if (ImGui::Button(VE::style::icon::ICON_STOP, ImVec2(28, 30))) 
-      {
-        VE::event e { test_event::TEST_EVEN , std::string("test icon button") };
-        execute(e);
-      }
+    VE_PUSH_FONT(ICON, 18);
 
-      ImGui::Text(VE::style::icon::ICON_PAINT_BRUSH, "  Paint" );
-      ImGui::Text("\xef\x87\xbc");
+    if (ImGui::Button(VE::style::icon::ICON_STOP, ImVec2(28, 30))) 
+    {
+      VE::event e { test_event::TEST_EVEN , std::string("test icon button") };
+      execute(e);
+    }
 
-      VE_POP_FONT();
-    end();
+    ImGui::Text(VE::style::icon::ICON_PAINT_BRUSH, "  Paint" );
+    ImGui::Text("\xef\x87\xbc");
+
+    VE_POP_FONT();
+
+    ImGui::End();
   }
 
   void test_panel_2::on_event(VE::event e)
diff --git a/bin/layers/test_panel_2/test_panel_2.hpp b/bin/layers/test_panel_2/test_panel_2.hpp
index 138df05..aa8e5ec 100755
--- a/bin/layers/test_panel_2/test_panel_2.hpp
+++ b/bin/layers/test_panel_2/test_panel_2.hpp
@@ -1,12 +1,15 @@
 #pragma once
 
-#include "VE.hpp" // IWYU pragma: keep
+#include <VE.hpp>
 
 namespace sandbox
 {
   class test_panel_2 : public VE::layer
   {
     VE_FN_OVERIDE();
+
+    ImVec2 m_size = ImVec2{ 400.f, 400.f };
+    ImVec2 m_pos = ImVec2{ 400.f, 400.f };
   };
 }
 
diff --git a/src/layer/layer.hpp b/src/layer/layer.hpp
index d54d21e..6b166e1 100755
--- a/src/layer/layer.hpp
+++ b/src/layer/layer.hpp
@@ -1,7 +1,5 @@
 #pragma once
 
-#include "hack/security/uuid.hpp"
-
 #include "event/event.hpp"
 #include "gui/flags.hpp"
 
@@ -26,26 +24,8 @@ namespace VE
 
       void set_event_fn(const event_fn<event&>& fn) { execute = fn; };
 
-      void begin()
-      {
-        ImGui::SetNextWindowPos(mt::convert<ImVec2>(m_passport.m_pos));
-        ImGui::SetNextWindowSize(mt::convert<ImVec2>(m_passport.m_size));
-
-        if (m_passport.m_name.empty())
-          m_passport.m_name = hack::security::generate_uuid();
-        if (!ImGui::Begin(m_passport.m_name.c_str(), &m_p_open, m_window_flags)) end();
-      }
-
-      void end() { ImGui::End(); }
-
     protected:
       event_fn<event&> execute;
-      struct passport
-      {
-        std::string m_name;
-        mt::vec2 m_pos;
-        mt::vec2 m_size;
-      } m_passport;
   };
 }