diff --git a/src/epics/util/Userspace_CMakeLists.cmake b/src/epics/util/Userspace_CMakeLists.cmake
index 6527b68882294e065a50403aa5a8c9312add383b..73803508d6e7b1d2420a860b03e143bc9ef83f56 100644
--- a/src/epics/util/Userspace_CMakeLists.cmake
+++ b/src/epics/util/Userspace_CMakeLists.cmake
@@ -76,7 +76,7 @@ endif()
 
 #
 #Configure and build the model. ${INC_DIRS} is defined by UserspaceVars.cmake
-add_executable(${PROJECT_NAME} ${MODEL_SRC_LIST} ${COMMON_SRC_LIST})
+add_executable(${PROJECT_NAME} ${MODEL_SRC_LIST} )
 target_include_directories(${PROJECT_NAME} PRIVATE ${INC_DIRS})
 target_link_libraries(${PROJECT_NAME} PRIVATE ${LIB_NAME})