diff --git a/pc-bios/s390-ccw/netboot.mak b/pc-bios/s390-ccw/netboot.mak
deleted file mode 100644
index 0a24257ff4..0000000000
--- a/pc-bios/s390-ccw/netboot.mak
+++ /dev/null
@@ -1,45 +0,0 @@
-
-# libc files:
-
-LIBC_CFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \
-	      -MMD -MP -MT $@ -MF $(@:%.o=%.d)
-
-CTYPE_OBJS = isdigit.o isxdigit.o toupper.o
-%.o : $(SLOF_DIR)/lib/libc/ctype/%.c
-	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
-
-STRING_OBJS = strcat.o strchr.o strrchr.o strcpy.o strlen.o strncpy.o \
-	      strcmp.o strncmp.o strcasecmp.o strncasecmp.o strstr.o \
-	      memset.o memcpy.o memmove.o memcmp.o
-%.o : $(SLOF_DIR)/lib/libc/string/%.c
-	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
-
-STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o
-%.o : $(SLOF_DIR)/lib/libc/stdlib/%.c
-	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
-
-STDIO_OBJS = sprintf.o snprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \
-	     printf.o putc.o puts.o putchar.o stdchnls.o fileno.o
-%.o : $(SLOF_DIR)/lib/libc/stdio/%.c
-	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
-
-sbrk.o: $(SLOF_DIR)/slof/sbrk.c
-	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
-
-LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o
-
-libc.a: $(LIBCOBJS)
-	$(call quiet-command,$(AR) -rc $@ $^,Creating static library)
-
-# libnet files:
-
-LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \
-	      dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o
-LIBNETCFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \
-	       -DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d)
-
-%.o : $(SLOF_DIR)/lib/libnet/%.c
-	$(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,Compiling)
-
-libnet.a: $(LIBNETOBJS)
-	$(call quiet-command,$(AR) -rc $@ $^,Creating static library)
diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile
index cf6859823a..27cbb354af 100644
--- a/pc-bios/s390-ccw/Makefile
+++ b/pc-bios/s390-ccw/Makefile
@@ -61,7 +61,52 @@ config-cc.mak: Makefile
 	    $(call cc-option,-march=z900,-march=z10)) 3> config-cc.mak
 -include config-cc.mak
 
-include $(SRC_PATH)/netboot.mak
+# libc files:
+
+LIBC_CFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \
+	      -MMD -MP -MT $@ -MF $(@:%.o=%.d)
+
+CTYPE_OBJS = isdigit.o isxdigit.o toupper.o
+%.o : $(SLOF_DIR)/lib/libc/ctype/%.c
+	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
+
+STRING_OBJS = strcat.o strchr.o strrchr.o strcpy.o strlen.o strncpy.o \
+	      strcmp.o strncmp.o strcasecmp.o strncasecmp.o strstr.o \
+	      memset.o memcpy.o memmove.o memcmp.o
+%.o : $(SLOF_DIR)/lib/libc/string/%.c
+	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
+
+STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o
+%.o : $(SLOF_DIR)/lib/libc/stdlib/%.c
+	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
+
+STDIO_OBJS = sprintf.o snprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \
+	     printf.o putc.o puts.o putchar.o stdchnls.o fileno.o
+%.o : $(SLOF_DIR)/lib/libc/stdio/%.c
+	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
+
+sbrk.o: $(SLOF_DIR)/slof/sbrk.c
+	$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,Compiling)
+
+LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o
+
+libc.a: $(LIBCOBJS)
+	$(call quiet-command,$(AR) -rc $@ $^,Creating static library)
+
+# libnet files:
+
+LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \
+	      dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o
+LIBNETCFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(LIBC_INC) $(LIBNET_INC) \
+	       -DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d)
+
+%.o : $(SLOF_DIR)/lib/libnet/%.c
+	$(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,Compiling)
+
+libnet.a: $(LIBNETOBJS)
+	$(call quiet-command,$(AR) -rc $@ $^,Creating static library)
+
+# Main targets:
 
 build-all: s390-ccw.img
 
diff --git a/pc-bios/s390-netboot.img b/pc-bios/s390-netboot.img
deleted file mode 100644
index 6908e49f06801808b826d3a01f88132cf1b2f57c..0000000000000000000000000000000000000000
