diff --git a/services/tunnelbroker/CMakeLists.txt b/services/tunnelbroker/CMakeLists.txt
--- a/services/tunnelbroker/CMakeLists.txt
+++ b/services/tunnelbroker/CMakeLists.txt
@@ -77,8 +77,6 @@
 set(
   SOURCE_CODE
 
-  ${DOUBLE_CONVERSION_SOURCES}
-  ${GENERATED_CODE}
   ${SOURCE_CODE}
 )
 
@@ -107,7 +105,6 @@
 add_executable(
   tunnelbroker
 
-  ${GENERATED_CODE}
   ${SOURCE_CODE}
 )