diff --git a/qt6-after/qt6-migrated-legatus/Lts/Common/TopicEditorBase/CMakeLists.txt b/qt6-after/qt6-migrated-legatus/Lts/Common/TopicEditorBase/CMakeLists.txt
index a74c39c21..a39c4895b 100755
--- a/qt6-after/qt6-migrated-legatus/Lts/Common/TopicEditorBase/CMakeLists.txt
+++ b/qt6-after/qt6-migrated-legatus/Lts/Common/TopicEditorBase/CMakeLists.txt
@@ -31,6 +31,7 @@ NGL_WRAP_UI(topic_editor_base_SRCS
   topic_preview_widget.ui
 )
 
+IF(BUILD_RTI)
 NGL_ADD_LIBRARY2(WS TopicEditorBase SHARED ${topic_editor_base_SRCS})
 
 NGL_TARGET_INCLUDE_DIRECTORIES(TopicEditorBase
@@ -46,3 +47,4 @@ NGL_TARGET_LINK_LIBRARIES(TopicEditorBase
   LtsWidgets
   LtsUtilsCore
 )
+ENDIF(BUILD_RTI)
diff --git a/qt6-after/qt6-migrated-legatus/Lts/Plugins/AreaEffectSimulation/CMakeLists.txt b/qt6-after/qt6-migrated-legatus/Lts/Plugins/AreaEffectSimulation/CMakeLists.txt
index ff5cc9fd7..430ec9402 100755
--- a/qt6-after/qt6-migrated-legatus/Lts/Plugins/AreaEffectSimulation/CMakeLists.txt
+++ b/qt6-after/qt6-migrated-legatus/Lts/Plugins/AreaEffectSimulation/CMakeLists.txt
@@ -5,6 +5,8 @@
 # Created by Christian Ehrlicher, SLSE, 2016-03-01
 #
 
+IF(BUILD_RTI)
+
 ADD_SUBDIRECTORY(Data)
 ADD_SUBDIRECTORY(Gui)
 
@@ -27,3 +29,5 @@ ADD_INTERFACE_LIBRARY(AesDataPluginInterface
   DataPluginInterface
   svcAesCommon
 )
+
+ENDIF(BUILD_RTI)