diff --git a/CMakeLists.txt b/CMakeLists.txt
index c539ca2ca..e5bd2e298 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -87,9 +87,6 @@ if(MSVC)
 endif()
 
 # Include files
-check_include_files(sys/param.h HAVE_SYS_PARAM_H)
-check_include_files(sys/socket.h HAVE_SYS_SOCKET_H)
-check_include_files(netdb.h HAVE_NETDB_H)
 check_include_files(fcntl.h HAVE_FCNTL_H)
 check_include_files(unistd.h HAVE_UNISTD_H)
 check_include_files(limits.h HAVE_LIMITS_H)
@@ -125,9 +122,6 @@ if(NOT WIN32)
 	endif()
 endif()
 
-# Endian
-test_big_endian(BIG_ENDIAN)
-
 # Path to put FreeRDP data
 set(FREERDP_DATA_PATH "${CMAKE_INSTALL_PREFIX}/share/freerdp")
 set(FREERDP_KEYMAP_PATH "${FREERDP_DATA_PATH}/keymaps")
diff --git a/config.h.in b/config.h.in
index 6cdb6b031..d250bedda 100644
--- a/config.h.in
+++ b/config.h.in
@@ -12,9 +12,6 @@
 #define FREERDP_KEYMAP_PATH "${FREERDP_KEYMAP_PATH}"
 
 /* Include files */
-#cmakedefine HAVE_SYS_PARAM_H
-#cmakedefine HAVE_SYS_SOCKET_H
-#cmakedefine HAVE_NETDB_H
 #cmakedefine HAVE_FCNTL_H
 #cmakedefine HAVE_UNISTD_H
 #cmakedefine HAVE_LIMITS_H
@@ -24,17 +21,12 @@
 
 #cmakedefine HAVE_TM_GMTOFF
 
-/* Endian */
-#cmakedefine BIG_ENDIAN
-
 /* Options */
 #cmakedefine WITH_PROFILER
 #cmakedefine WITH_SSE2
-#cmakedefine WITH_SSE2_TARGET
 #cmakedefine WITH_NEON
 
 /* Debug */
-#cmakedefine WITH_DEBUG_ASSERT
 #cmakedefine WITH_DEBUG_CERTIFICATE
 #cmakedefine WITH_DEBUG_CHANNELS
 #cmakedefine WITH_DEBUG_CLIPRDR