diff --git a/src/scripts/nightly/patches/solaris.sparcv7.gcc/Make.sysdefs.patch b/src/scripts/nightly/patches/solaris.sparcv7.gcc/Make.sysdefs.patch
index d093b007..9683a22b 100644
--- a/src/scripts/nightly/patches/solaris.sparcv7.gcc/Make.sysdefs.patch
+++ b/src/scripts/nightly/patches/solaris.sparcv7.gcc/Make.sysdefs.patch
@@ -5,8 +5,8 @@ Index: empserver/Make.sysdefs
  RTPCLFLAGS = 
  RTPCMASTER = GLOBALCFLAGS="$(RTPCCFLAGS)" GLOBALLFLAGS="$(RTPCLFLAGS)"
  
--SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -DPOSIXSIGNALS -Dsolaris
-+SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -DPOSIXSIGNALS -Dsolaris $(GCCWARNFLAGS) -Wno-char-subscripts
+-SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -Dsolaris
++SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -Dsolaris $(GCCWARNFLAGS) -Wno-char-subscripts
  SOLLFLAGS = -lnsl -lsocket -lthread
  SOLMASTER = GLOBALCFLAGS="$(SOLCFLAGS)" GLOBALLFLAGS="$(SOLLFLAGS)"
  
diff --git a/src/scripts/nightly/patches/solaris.sparcv9.cc/Make.sysdefs.patch b/src/scripts/nightly/patches/solaris.sparcv9.cc/Make.sysdefs.patch
index 9905d8be..3bd333b4 100644
--- a/src/scripts/nightly/patches/solaris.sparcv9.cc/Make.sysdefs.patch
+++ b/src/scripts/nightly/patches/solaris.sparcv9.cc/Make.sysdefs.patch
@@ -5,9 +5,9 @@ Index: empserver/Make.sysdefs
  RTPCLFLAGS = 
  RTPCMASTER = GLOBALCFLAGS="$(RTPCCFLAGS)" GLOBALLFLAGS="$(RTPCLFLAGS)"
  
--SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -DPOSIXSIGNALS -Dsolaris
+-SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -Dsolaris
 -SOLLFLAGS = -lnsl -lsocket -lthread
-+SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -DPOSIXSIGNALS -Dsolaris -xarch=v9
++SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -Dsolaris -xarch=v9
 +SOLLFLAGS = -lnsl -lsocket -lthread -xarch=v9
  SOLMASTER = GLOBALCFLAGS="$(SOLCFLAGS)" GLOBALLFLAGS="$(SOLLFLAGS)"
  
diff --git a/src/scripts/nightly/patches/solaris.sparcv9.gcc/Make.sysdefs.patch b/src/scripts/nightly/patches/solaris.sparcv9.gcc/Make.sysdefs.patch
index a18df662..3a18a0aa 100644
--- a/src/scripts/nightly/patches/solaris.sparcv9.gcc/Make.sysdefs.patch
+++ b/src/scripts/nightly/patches/solaris.sparcv9.gcc/Make.sysdefs.patch
@@ -5,9 +5,9 @@ Index: empserver/Make.sysdefs
  RTPCLFLAGS = 
  RTPCMASTER = GLOBALCFLAGS="$(RTPCCFLAGS)" GLOBALLFLAGS="$(RTPCLFLAGS)"
  
--SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -DPOSIXSIGNALS -Dsolaris
+-SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -Dsolaris
 -SOLLFLAGS = -lnsl -lsocket -lthread
-+SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -DPOSIXSIGNALS -Dsolaris $(GCCWARNFLAGS) -m64 -Wno-char-subscripts
++SOLCFLAGS = -g -DSVR4 -DRel4 -DUCONTEXT -Dsolaris $(GCCWARNFLAGS) -m64 -Wno-char-subscripts
 +SOLLFLAGS = -lnsl -lsocket -lthread -m64
  SOLMASTER = GLOBALCFLAGS="$(SOLCFLAGS)" GLOBALLFLAGS="$(SOLLFLAGS)"