--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -142,10 +142,7 @@
 find_package(Jthread REQUIRED)
 find_package(Sqlite3 REQUIRED)
 
-# Do not use system-wide installation of Lua, because it'll likely be a
-# different version and/or has different build options.
-set(LUA_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/lua/src")
-set(LUA_LIBRARY "lua")
+find_package(Lua51 REQUIRED)
 
 configure_file(
 	"${PROJECT_SOURCE_DIR}/cmake_config.h.in"
@@ -480,9 +477,4 @@
 	add_subdirectory(sqlite)
 endif (SQLITE3_FOUND)
 
-if (LUA_FOUND)
-else (LUA_FOUND)
-	add_subdirectory(lua)
-endif (LUA_FOUND)
-
 #end