diff --git a/Makefile.in b/Makefile.in
index d8654e1..7cb8cf1 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -7,7 +7,7 @@ WINDRES = @WINDRES@
 
 LDFLAGS = @CRYPTO_LDFLAGS@ @LDFLAGS@
 LIBS = @CRYPTO_LIBS@ @LIBS@
-CFLAGS = @CRYPTO_CPPFLAGS@ @CFLAGS@ @CPPFLAGS@
+CFLAGS = @CRYPTO_CPPFLAGS@ @CFLAGS@ @CPPFLAGS@ -DUNICODE -D_UNICODE
 CFLAGS += -W -Wall -Wno-unused-parameter -pedantic
 
 OBJS = main.o tray.o openvpn.o viewlog.o \
diff --git a/configure.ac b/configure.ac
index 56da927..a3521cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,11 +19,6 @@ AC_DEFINE(PACKAGE_RELEASE, [RELEASE],
 
 AC_PROG_CC_C99
 
-AC_ARG_ENABLE([unicode],
-	AS_HELP_STRING([--disable-unicode],
-		[produce a binary without Unicode support]), [],
-	[CPPFLAGS="$CPPFLAGS -DUNICODE -D_UNICODE"])
-
 AC_CANONICAL_HOST
 case $host in
 *-cygwin)
diff --git a/localization.c b/localization.c
index b089d13..8e86b50 100644
--- a/localization.c
+++ b/localization.c
@@ -131,12 +131,7 @@ LoadStringLang(UINT stringId, LANGID langId, PTSTR buffer, int bufferSize, va_li
             break;
         formatStr[*entry] = 0;
 
-#ifdef _UNICODE
         wcsncpy(formatStr, entry + 1, *entry);
-#else
-        WideCharToMultiByte(CP_ACP, 0, entry + 1, *entry, formatStr, *entry, "?", NULL);
-#endif
-
         _vsntprintf(buffer, bufferSize, formatStr, args);
         buffer[bufferSize - 1] = 0;
         free(formatStr);
diff --git a/openvpn.c b/openvpn.c
index f9392f2..47bb245 100644
--- a/openvpn.c
+++ b/openvpn.c
@@ -153,12 +153,8 @@ OnStateChange(connection_t *c, char *data)
         if (pos != NULL)
             *pos = '\0';
 
-#ifdef _UNICODE
         /* Convert the IP address to Unicode */
         MultiByteToWideChar(CP_ACP, 0, local_ip, -1, c->ip, _tsizeof(c->ip));
-#else
-        strncpy(c->ip, local_ip, sizeof(c->ip));
-#endif
 
         /* Show connection tray balloon */
         if ((c->state == connecting   && o.show_balloon[0] != '0')