diff --git a/qt6-after/qt6-migrated-legatus/Lts/Common/LtsUtils/LtsUtilsGui/CMakeLists.txt b/qt6-after/qt6-migrated-legatus/Lts/Common/LtsUtils/LtsUtilsGui/CMakeLists.txt
index 44b17df19..648eb8b75 100755
--- a/qt6-after/qt6-migrated-legatus/Lts/Common/LtsUtils/LtsUtilsGui/CMakeLists.txt
+++ b/qt6-after/qt6-migrated-legatus/Lts/Common/LtsUtils/LtsUtilsGui/CMakeLists.txt
@@ -7,6 +7,9 @@
 #
 
 # LtsUtilsGuiDds is needed by LtsMultiMonitor regardless of BUILD_RTI
-ADD_SUBDIRECTORY(LtsUtilsGuiDds)
+# Exclude from release scope - requires DDS headers, only used by LtsMultiMonitor
+if(NOT RELEASE_BUILD)
+  ADD_SUBDIRECTORY(LtsUtilsGuiDds)
+endif()
 ADD_SUBDIRECTORY(ConnectDialog)
 ADD_SUBDIRECTORY(StyleManager)