diff --git a/libsrc/atari5200/crt0.s b/libsrc/atari5200/crt0.s
index ee3d0de4f..9538d3bb4 100644
--- a/libsrc/atari5200/crt0.s
+++ b/libsrc/atari5200/crt0.s
@@ -13,7 +13,6 @@
         .import         zerobss, copydata
 
         .include        "zeropage.inc"
-        .include        "atari5200.inc"
 
 start:
 
diff --git a/libsrc/c16/crt0.s b/libsrc/c16/crt0.s
index bee81a113..1df1e5c62 100644
--- a/libsrc/c16/crt0.s
+++ b/libsrc/c16/crt0.s
@@ -13,7 +13,6 @@
         .importzp       ST
 
         .include        "zeropage.inc"
-        .include        "plus4.inc"
 
 ; ------------------------------------------------------------------------
 ; Startup code
diff --git a/libsrc/c64/crt0.s b/libsrc/c64/crt0.s
index 7bd294ca7..4e5c7c9d4 100644
--- a/libsrc/c64/crt0.s
+++ b/libsrc/c64/crt0.s
@@ -13,7 +13,6 @@
         .importzp       ST
 
         .include        "zeropage.inc"
-        .include        "c64.inc"
 
 
 ; ------------------------------------------------------------------------
diff --git a/libsrc/pet/crt0.s b/libsrc/pet/crt0.s
index 520a147f7..e56a7eca4 100644
--- a/libsrc/pet/crt0.s
+++ b/libsrc/pet/crt0.s
@@ -12,7 +12,6 @@
 
         .include        "zeropage.inc"
         .include        "pet.inc"
-        .include        "../cbm/cbm.inc"
 
 ; ------------------------------------------------------------------------
 ; Startup code
diff --git a/libsrc/plus4/crt0.s b/libsrc/plus4/crt0.s
index 2262b4c42..6b44a2b7e 100644
--- a/libsrc/plus4/crt0.s
+++ b/libsrc/plus4/crt0.s
@@ -198,5 +198,3 @@ irqcount:       .byte   0
 .segment        "INIT"
 
 zpsave:         .res    zpspace
-
-
diff --git a/libsrc/supervision/crt0.s b/libsrc/supervision/crt0.s
index ac61c8215..203c681b8 100644
--- a/libsrc/supervision/crt0.s
+++ b/libsrc/supervision/crt0.s
@@ -78,5 +78,3 @@ not_dma:
 .word   nmi
 .word   reset32kcode
 .word   irq
-
-
diff --git a/libsrc/telestrat/crt0.s b/libsrc/telestrat/crt0.s
index 59b1ea642..df75520ce 100644
--- a/libsrc/telestrat/crt0.s
+++ b/libsrc/telestrat/crt0.s
@@ -12,7 +12,6 @@
         .import         __MAIN_START__, __MAIN_SIZE__
 
         .include        "zeropage.inc"
-        .include        "telestrat.inc"
 
 ; ------------------------------------------------------------------------
 ; Place the startup code in a special segment.
diff --git a/libsrc/vic20/crt0.s b/libsrc/vic20/crt0.s
index 68ab3ed12..c5486063b 100644
--- a/libsrc/vic20/crt0.s
+++ b/libsrc/vic20/crt0.s
@@ -13,7 +13,6 @@
         .importzp       ST
 
         .include        "zeropage.inc"
-        .include        "vic20.inc"
 
 ; ------------------------------------------------------------------------
 ; Startup code