diff --git a/src/SetLocale.c b/src/SetLocale.c
index 81f4a7c3..66a7d2a0 100644
--- a/src/SetLocale.c
+++ b/src/SetLocale.c
@@ -99,7 +99,7 @@ _XlcMapOSLocaleName(
     char *osname,
     char *siname)
 {
-#if defined(hpux) || defined(CSRG_BASED) || defined(sun) || defined(SVR4) || defined(sgi) || defined(__osf__) || defined(AIXV3) || defined(ultrix) || defined(WIN32) || defined(__UNIXOS2__) || defined(linux)
+#if defined(hpux) || defined(CSRG_BASED) || defined(sun) || defined(SVR4) || defined(sgi) || defined(AIXV3) || defined(ultrix) || defined(WIN32) || defined(__UNIXOS2__) || defined(linux)
 # ifdef hpux
 #  ifndef _LastCategory
    /* HPUX 9 and earlier */
@@ -122,7 +122,7 @@ _XlcMapOSLocaleName(
 #    define ENDCHAR ';'
 #    define WHITEFILL
 #   else
-#    if defined(__osf__) || (defined(AIXV3) && !defined(AIXV4))
+#    if (defined(AIXV3) && !defined(AIXV4))
 #     define STARTCHAR ' '
 #     define ENDCHAR ' '
 #    else