diff --git a/os2/wccos2.mak b/os2/wccos2.mak
index 43571791..bad70108 100644
--- a/os2/wccos2.mak
+++ b/os2/wccos2.mak
@@ -40,7 +40,7 @@ TARGET=os2v2
 CFLAGS  = /d2 /DPDCDEBUG
 LDFLAGS = DEBUG ALL
 !else
-CFLAGS  = /oneatx /wcd=302
+CFLAGS  = /oneatx
 LDFLAGS =
 !endif
 
diff --git a/win32/bccwin32.mak b/win32/bccwin32.mak
index e597f67e..ab859eba 100644
--- a/win32/bccwin32.mak
+++ b/win32/bccwin32.mak
@@ -36,7 +36,7 @@ CC		= bcc32 -q
 !if $d(DEBUG)
 CFLAGS  = -N -v -y -DPDCDEBUG
 !else
-CFLAGS  =  -O -w-eff -w-par
+CFLAGS  =  -O -w-par
 !endif
 
 CPPFLAGS	= -I$(PDCURSES_HOME)
diff --git a/win32/wccwin32.mak b/win32/wccwin32.mak
index d4626859..ff4819e7 100644
--- a/win32/wccwin32.mak
+++ b/win32/wccwin32.mak
@@ -38,7 +38,7 @@ TARGET=nt
 CFLAGS  = /d2 /DPDCDEBUG
 LDFLAGS = DEBUG WATCOM ALL
 !else
-CFLAGS  = /oneatx /wcd=302
+CFLAGS  = /oneatx
 LDFLAGS =
 !endif