diff --git a/firmware/Makefile b/firmware/Makefile
index 0862d34cf7d10..e297e1b52636d 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -232,6 +232,6 @@ targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
 
 # Without this, built-in.o won't be created when it's empty, and the
 # final vmlinux link will fail.
-obj-n := dummy
+obj- := dummy
 
 hostprogs-y := ihex2fw
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 5b09d36378559..649ce68440331 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -79,11 +79,11 @@ endif
 
 # ===========================================================================
 
-ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
+ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
 lib-target := $(obj)/lib.a
 endif
 
-ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) $(lib-target)),)
+ifneq ($(strip $(obj-y) $(obj-m) $(obj-) $(subdir-m) $(lib-target)),)
 builtin-target := $(obj)/built-in.o
 endif
 
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index a651cee84f2a8..c630ab52fa42f 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -23,15 +23,13 @@ __subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
 subdir-y	+= $(__subdir-y)
 __subdir-m	:= $(patsubst %/,%,$(filter %/, $(obj-m)))
 subdir-m	+= $(__subdir-m)
-__subdir-n	:= $(patsubst %/,%,$(filter %/, $(obj-n)))
-subdir-n	+= $(__subdir-n)
 __subdir-	:= $(patsubst %/,%,$(filter %/, $(obj-)))
 subdir-		+= $(__subdir-)
 
 # Subdirectories we need to descend into
 
 subdir-ym	:= $(sort $(subdir-y) $(subdir-m))
-subdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
+subdir-ymn      := $(sort $(subdir-ym) $(subdir-))
 
 # Add subdir path
 
diff --git a/scripts/Makefile.fwinst b/scripts/Makefile.fwinst
index d8e335eed2263..5b698add4f31c 100644
--- a/scripts/Makefile.fwinst
+++ b/scripts/Makefile.fwinst
@@ -2,7 +2,7 @@
 # Installing firmware
 #
 # We don't include the .config, so all firmware files are in $(fw-shipped-)
-# rather than in $(fw-shipped-y) or $(fw-shipped-n).
+# rather than in $(fw-shipped-y) or $(fw-shipped-m).
 # ==========================================================================
 
 INSTALL := install