diff --git a/Makefile b/Makefile
index ce109cd..e25ab71 100644
--- a/Makefile
+++ b/Makefile
@@ -111,13 +111,12 @@ INSTALL ?= $(shell which install)
 PKGCONFIGDIR ?= $(INSTALLROOT)/lib/pkgconfig
 LOCALEDIR ?= $(INSTALLROOT)/share/locale
 
-OS_NAME=$(shell uname -s)
 OS_RELEASE=$(shell uname -r)
 
 export SYS_LIBS EXTRAOBJS BINMODE
 export INSTALLDIR SINSTALLDIR INCLUDEDIR INCLUDEMODE INCLUDEDIRMODE LOCALEDIR
 export MANDIR SMANDIR MANDIRMODE MANMODE
-export OS_NAME OS_RELEASE
+export OS_RELEASE
 
 enable_nls=1
 debug=0
diff --git a/server/Makefile b/server/Makefile
index 301f51f..e6e947a 100644
--- a/server/Makefile
+++ b/server/Makefile
@@ -67,7 +67,6 @@ ifeq ($(HAVE_GETADDRINFO),1)
     FLAGS += -DHAVE_GETADDRINFO
 endif
 
-OS_NAME=$(shell uname -s)
 OS_RELEASE=$(shell uname -r)
 
 OBJS = main.o monitor.o mail.o plugins.o utils.o sysdeps-unix.o log.o