diff --git a/mach/z80/.distr b/mach/z80/.distr
index a600938a6..8e820e454 100644
--- a/mach/z80/.distr
+++ b/mach/z80/.distr
@@ -2,10 +2,7 @@ Action
 as
 cg
 int
-libbc
-libcc
 libem
-libpc
-libsys
-liboc
-libm2
+libend
+libmon
+mach_params
diff --git a/mach/z80/Action b/mach/z80/Action
index fda3029ab..3167428e6 100644
--- a/mach/z80/Action
+++ b/mach/z80/Action
@@ -4,24 +4,12 @@ end
 name "Z80 code generator"
 dir cg
 end
-name "Z80 Basic library"
-dir libbc
-end
-name "Z80 Occam library"
-dir liboc
-end
-name "Z80 Modula-2 library"
-dir libm2
-end
-name "Z80 C libraries"
-dir libcc
-end
 name "Z80 EM library"
 dir libem
 end
-name "Z80 Pascal library"
-dir libpc
+name "Z80 system call library"
+dir libmon
 end
-name "Z80 System library"
-dir libsys
+name "Z80 end,etext,edata library"
+dir libend
 end
diff --git a/mach/z80/mach_params b/mach/z80/mach_params
new file mode 100644
index 000000000..4780ef6bc
--- /dev/null
+++ b/mach/z80/mach_params
@@ -0,0 +1,4 @@
+MACH=z80
+SUF=o
+ASAR=aal
+RANLIB=: