diff --git a/package/luajit/Config.in b/package/luajit/Config.in
index 3111a2548f..f27099e80c 100644
--- a/package/luajit/Config.in
+++ b/package/luajit/Config.in
@@ -14,6 +14,8 @@ config BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS
 config BR2_PACKAGE_LUAJIT
 	bool "luajit"
 	depends on !BR2_STATIC_LIBS # dlopen
+	# Luajit conflicts with the regular lua package
+	depends on !BR2_PACKAGE_LUA
 	# Luajit is only available for some target architectures, and
 	# has some complexity wrt 32/64. See luajit.mk for details.
 	depends on BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS
diff --git a/package/snort3/Config.in b/package/snort3/Config.in
index dcc29b820a..9b96e7cb58 100644
--- a/package/snort3/Config.in
+++ b/package/snort3/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_SNORT3
 	bool "snort3"
+	depends on !BR2_PACKAGE_LUA # luajit
 	depends on BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS # luajit
 	depends on !(BR2_PACKAGE_DAQ || BR2_PACKAGE_SNORT)
 	depends on BR2_USE_MMU # fork()
@@ -34,6 +35,7 @@ config BR2_PACKAGE_SNORT3
 	  https://www.snort.org/snort3
 
 comment "snort3 needs a toolchain w/ C++, wchar, threads, dynamic library, gcc >= 4.9"
+	depends on !BR2_PACKAGE_LUA
 	depends on BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS
 	depends on !(BR2_PACKAGE_DAQ || BR2_PACKAGE_SNORT)
 	depends on BR2_USE_MMU