diff --git a/distrib/msw/tmake/filelist.txt b/distrib/msw/tmake/filelist.txt
index 83e254f63f..53b07a1994 100644
--- a/distrib/msw/tmake/filelist.txt
+++ b/distrib/msw/tmake/filelist.txt
@@ -230,7 +230,7 @@ strconv.cpp	Common	Base
 stream.cpp	Common	Base
 string.cpp	Common	Base
 sysopt.cpp	Common	Base
-taskbarcmn.cpp	Common
+taskbarcmn.cpp	Common	NotMac
 tbarbase.cpp	Common
 textbuf.cpp	Common	Base
 textcmn.cpp	Common
diff --git a/src/mac/carbon/files.lst b/src/mac/carbon/files.lst
index 57feaa0e94..6cdb0cad99 100644
--- a/src/mac/carbon/files.lst
+++ b/src/mac/carbon/files.lst
@@ -149,7 +149,6 @@ ALL_SOURCES = \
 		common/stream.cpp \
 		common/string.cpp \
 		common/sysopt.cpp \
-		common/taskbarcmn.cpp \
 		common/tbarbase.cpp \
 		common/textbuf.cpp \
 		common/textcmn.cpp \
@@ -766,7 +765,6 @@ COMMONOBJS = \
 		stream.o \
 		string.o \
 		sysopt.o \
-		taskbarcmn.o \
 		tbarbase.o \
 		textbuf.o \
 		textcmn.o \
diff --git a/src/mac/files.lst b/src/mac/files.lst
index 57feaa0e94..6cdb0cad99 100644
--- a/src/mac/files.lst
+++ b/src/mac/files.lst
@@ -149,7 +149,6 @@ ALL_SOURCES = \
 		common/stream.cpp \
 		common/string.cpp \
 		common/sysopt.cpp \
-		common/taskbarcmn.cpp \
 		common/tbarbase.cpp \
 		common/textbuf.cpp \
 		common/textcmn.cpp \
@@ -766,7 +765,6 @@ COMMONOBJS = \
 		stream.o \
 		string.o \
 		sysopt.o \
-		taskbarcmn.o \
 		tbarbase.o \
 		textbuf.o \
 		textcmn.o \