diff --git a/mappings/none/bzw.mapping b/mappings/none/bzw.mapping
new file mode 100644
index 0000000000..cf1f0e96b4
--- /dev/null
+++ b/mappings/none/bzw.mapping
@@ -0,0 +1,2 @@
+CLASS none/bzw
+	METHOD D_ update ()V
diff --git a/mappings/none/bzx.mapping b/mappings/none/bzx.mapping
new file mode 100644
index 0000000000..bb1e4866dd
--- /dev/null
+++ b/mappings/none/bzx.mapping
@@ -0,0 +1,2 @@
+CLASS none/bzx
+	METHOD D_ update ()V
diff --git a/mappings/none/bzy.mapping b/mappings/none/bzy.mapping
new file mode 100644
index 0000000000..ac4181fbc1
--- /dev/null
+++ b/mappings/none/bzy.mapping
@@ -0,0 +1,2 @@
+CLASS none/bzy
+	METHOD D_ update ()V
diff --git a/mappings/none/bzz.mapping b/mappings/none/bzz.mapping
new file mode 100644
index 0000000000..10c73cd06c
--- /dev/null
+++ b/mappings/none/bzz.mapping
@@ -0,0 +1,2 @@
+CLASS none/bzz
+	METHOD D_ update ()V
diff --git a/mappings/none/lj.mapping b/mappings/none/lj.mapping
new file mode 100644
index 0000000000..905ceb2aa5
--- /dev/null
+++ b/mappings/none/lj.mapping
@@ -0,0 +1,2 @@
+CLASS none/lj
+	METHOD D_ update ()V