diff --git a/Make.sysdefs b/Make.sysdefs
index 37de56bb..e68174ab 100644
--- a/Make.sysdefs
+++ b/Make.sysdefs
@@ -53,11 +53,11 @@ NEXTCFLAGS = -bsd -fwritable-strings -traditional -Dconst="" -Dinline=""
 NEXTLFLAGS = -lsys_s
 NEXTMASTER = GLOBALCFLAGS="$(NEXTCFLAGS)" GLOBALLFLAGS="$(NEXTLFLAGS)"
 
-LINUXCFLAGS = -g -Wall -W -Wno-unused -Dlint -D__USE_BSD -D__USE_BSD_SIGNAL -DLISTENMAXCONN=5 -DRel4
+LINUXCFLAGS = -g -Wall -W -Wno-unused -D__USE_BSD -DLISTENMAXCONN=5 -DRel4
 LINUXLFLAGS = 
 LINUXMASTER = GLOBALCFLAGS="$(LINUXCFLAGS)" GLOBALLFLAGS="$(LINUXLFLAGS)" CLIENTLIBS=-lncurses
 
-LINUXPTHCFLAGS = -g -Wall -W -Wno-unused -Dlint -D_EMPTH_POSIX=1 -U_EMPTH_LWP -D__USE_BSD -D__USE_BSD_SIGNAL -DLISTENMAXCONN=5 -DRel4
+LINUXPTHCFLAGS = -g -Wall -W -Wno-unused -D_EMPTH_POSIX=1 -U_EMPTH_LWP -D__USE_BSD -DLISTENMAXCONN=5 -DRel4
 LINUXPTHLFLAGS = -lpthread
 LINUXPTHMASTER = GLOBALCFLAGS="$(LINUXPTHCFLAGS)" GLOBALLFLAGS="$(LINUXPTHLFLAGS)" CLIENTLIBS=-lncurses