diff --git a/CMakeLists.txt b/CMakeLists.txt
index 938c1df..bba1f7e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,9 +50,6 @@ else() # try to find libwebsockets with pkg-config
     mark_as_advanced(LIBWEBSOCKETS_INCLUDE_DIR LIBWEBSOCKETS_LIBRARIES)
 endif()
 
-include(CheckIncludeFile)
-check_include_file(lws_config.h HAVE_LWS_CONFIG_H)
-
 pkg_check_modules(PC_JSON-C REQUIRED json-c)
 find_path(JSON-C_INCLUDE_DIR json.h
         HINTS ${PC_JSON-C_INCLUDEDIR} ${PC_JSON-C_INCLUDE_DIRS} PATH_SUFFIXES json-c json)
diff --git a/src/server.c b/src/server.c
index 0dfe138..96680d4 100644
--- a/src/server.c
+++ b/src/server.c
@@ -8,9 +8,6 @@
 #include <signal.h>
 #include <sys/stat.h>
 
-#ifdef HAVE_LWS_CONFIG_H
-#include "lws_config.h"
-#endif
 #include <libwebsockets.h>
 #include <json.h>