diff --git a/fpga/lib/CMakeLists.txt b/fpga/lib/CMakeLists.txt
index cedc633f5..50d16ecf5 100644
--- a/fpga/lib/CMakeLists.txt
+++ b/fpga/lib/CMakeLists.txt
@@ -49,8 +49,6 @@ find_package(Threads)
 
 add_library(villas-fpga SHARED ${SOURCES})
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
-
 target_compile_definitions(villas-fpga PRIVATE
 	BUILDID=\"abc\"
 	_GNU_SOURCE