diff --git a/CMakeLists.txt b/CMakeLists.txt
index 831307e..bdb6b98 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,5 +38,4 @@ INCLUDE(CPack)
 
 ENABLE_TESTING()
 
-INCLUDE_DIRECTORIES(src)
 ADD_SUBDIRECTORY(MQTTSNPacket)