diff --git a/nimbro_net_monitor/CMakeLists.txt b/nimbro_net_monitor/CMakeLists.txt
index 84f585c..0a2fe74 100644
--- a/nimbro_net_monitor/CMakeLists.txt
+++ b/nimbro_net_monitor/CMakeLists.txt
@@ -64,7 +64,7 @@ if(MNL_FOUND)
 endif()
 
 # GUI
-add_subdirectory(src/gui)
+# add_subdirectory(src/gui)
 
 install(TARGETS net_monitor
 	RUNTIME DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
diff --git a/nimbro_service_transport/CMakeLists.txt b/nimbro_service_transport/CMakeLists.txt
index 2ccc888..e88fb1f 100644
--- a/nimbro_service_transport/CMakeLists.txt
+++ b/nimbro_service_transport/CMakeLists.txt
@@ -2,6 +2,8 @@ cmake_minimum_required(VERSION 3.10)
 
 project(nimbro_service_transport)
 
+set(COMPILE_GUI FALSE)
+
 find_package(catkin REQUIRED COMPONENTS
 	roscpp
 	roslib
@@ -69,24 +71,26 @@ add_dependencies(udp_client
 )
 
 # GUI
-find_package(Qt5Widgets REQUIRED)
+if(COMPILE_GUI)
+  find_package(Qt5Widgets REQUIRED)
 
-qt5_wrap_cpp(MOC_SRCS
-	src/gui/service_widget.h
-)
+  qt5_wrap_cpp(MOC_SRCS
+    src/gui/service_widget.h
+  )
 
-add_library(service_widget
-	${MOC_SRCS}
-	src/gui/service_widget.cpp
-)
+  add_library(service_widget
+    ${MOC_SRCS}
+    src/gui/service_widget.cpp
+  )
 
-add_dependencies(service_widget
-	${PROJECT_NAME}_generate_messages_cpp
-)
+  add_dependencies(service_widget
+    ${PROJECT_NAME}_generate_messages_cpp
+  )
 
-target_link_libraries(service_widget
-	Qt5::Widgets
-)
+  target_link_libraries(service_widget
+    Qt5::Widgets
+  )
+endif()
 
 # Tests
 if(catch_ros_FOUND)
diff --git a/nimbro_topic_transport/CMakeLists.txt b/nimbro_topic_transport/CMakeLists.txt
index a8809b6..3851848 100644
--- a/nimbro_topic_transport/CMakeLists.txt
+++ b/nimbro_topic_transport/CMakeLists.txt
@@ -140,7 +140,7 @@ target_link_libraries(action_proxy
 )
 
 # GUI
-add_subdirectory(src/gui)
+# add_subdirectory(src/gui)
 
 # Tests
 if(catch_ros_FOUND)