diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa3cdad4..b273b2e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,11 +68,6 @@ set(CMAKE_CXX_FLAGS_DEBUG "${DRAIOS_DEBUG_FLAGS}")
 set(CMAKE_C_FLAGS_RELEASE "-O3 -fno-strict-aliasing -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELEASE "-O3 -fno-strict-aliasing -DNDEBUG")
 
-add_definitions(-DK8S_DISABLE_THREAD)
-if(CMAKE_SYSTEM_NAME MATCHES "Linux")
-  add_definitions(-DHAS_CAPTURE)
-endif()
-
 # Create the falco version variable according to git index
 if(NOT FALCO_VERSION)
   include(GetGitRevisionDescription)
diff --git a/cmake/modules/sysdig.cmake b/cmake/modules/sysdig.cmake
index d69894d9..43fb131d 100644
--- a/cmake/modules/sysdig.cmake
+++ b/cmake/modules/sysdig.cmake
@@ -35,6 +35,8 @@ set(JSONCPP_LIB_SRC "${JSONCPP_SRC}/jsoncpp.cpp")
 add_subdirectory("${SYSDIG_SOURCE_DIR}/driver" "${PROJECT_BINARY_DIR}/driver")
 
 # Add libscap directory
+add_definitions(-D_GNU_SOURCE)
+add_definitions(-DHAS_CAPTURE)
 add_subdirectory("${SYSDIG_SOURCE_DIR}/userspace/libscap" "${PROJECT_BINARY_DIR}/userspace/libscap")
 
 # Add libsinsp directory