diff --git a/bin/makefile-cygwin.x86_64-x b/bin/makefile-cygwin.x86_64-x
index df9761f..4914d72 100644
--- a/bin/makefile-cygwin.x86_64-x
+++ b/bin/makefile-cygwin.x86_64-x
@@ -22,7 +22,7 @@ OEXT = .o
 OPTFLAGS =  -O2 -g3
 DISPOPTFLAGS = -O2 -g3
 FPFLAGS =
-DFLAGS = -DLINUX -DAIX -DOLD_CURSOR \
+DFLAGS = -DAIX -DOLD_CURSOR \
 	-DBYTESWAP -DFORKCOMM -DLOGINT  $(XFLAGS) \
 	-DRELEASE=351