diff --git a/include/wine/unicode.h b/include/wine/unicode.h
index a4b483a0e99..de3ac56973a 100644
--- a/include/wine/unicode.h
+++ b/include/wine/unicode.h
@@ -138,7 +138,7 @@ WINE_UNICODE_INLINE WCHAR toupperW( WCHAR ch )
 /* and the C2_* type in the high 4 bits */
 WINE_UNICODE_INLINE unsigned short get_char_typeW( WCHAR ch )
 {
-    extern WINE_UNICODE_API const unsigned short wine_wctype_table[];
+    extern const unsigned short wine_wctype_table[];
     return wine_wctype_table[wine_wctype_table[ch >> 8] + (ch & 0xff)];
 }
 
diff --git a/libs/port/Makefile.in b/libs/port/Makefile.in
index 86b90222915..45ce1827f02 100644
--- a/libs/port/Makefile.in
+++ b/libs/port/Makefile.in
@@ -102,4 +102,5 @@ C_SRCS = \
 	symlink.c \
 	usleep.c \
 	utf8.c \
-	wctomb.c
+	wctomb.c \
+	wctype.c
diff --git a/libs/wine/wctype.c b/libs/port/wctype.c
similarity index 99%
rename from libs/wine/wctype.c
rename to libs/port/wctype.c
index 4153cb82f72..bb0eab5d713 100644
--- a/libs/wine/wctype.c
+++ b/libs/port/wctype.c
@@ -3,7 +3,7 @@
 
 #include "wine/unicode.h"
 
-const unsigned short wine_wctype_table[17152] =
+const unsigned short DECLSPEC_HIDDEN wine_wctype_table[17152] =
 {
     /* offsets */
     0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600, 0x0700, 0x0800,
diff --git a/libs/wine/Makefile.in b/libs/wine/Makefile.in
index 4833eb5a34f..e544d998e22 100644
--- a/libs/wine/Makefile.in
+++ b/libs/wine/Makefile.in
@@ -11,8 +11,7 @@ C_SRCS = \
 	mmap.c \
 	port.c \
 	sortkey.c \
-	string.c \
-	wctype.c
+	string.c
 
 EXTRA_OBJS = version.o
 
diff --git a/tools/make_unicode b/tools/make_unicode
index bbd26e4fdc5..d6745709203 100755
--- a/tools/make_unicode
+++ b/tools/make_unicode
@@ -1891,7 +1891,7 @@ sub dump_simple_mapping($$@)
     my $def = shift;
     my @array = compress_array( 256, $def, @_[0..65535] );
 
-    printf OUTPUT "const unsigned short %s[%d] =\n{\n", $name, $#array+1;
+    printf OUTPUT "const unsigned short DECLSPEC_HIDDEN %s[%d] =\n{\n", $name, $#array+1;
     printf OUTPUT "    /* offsets */\n%s,\n", DUMP_ARRAY( "0x%04x", 0, @array[0..255] );
     printf OUTPUT "    /* values */\n%s\n};\n", DUMP_ARRAY( "0x%04x", 0, @array[256..$#array] );
 }
@@ -2178,7 +2178,7 @@ sub dump_nameprep($)
 
 ################################################################
 # dump the ctype tables
-sub DUMP_CTYPE_TABLES($)
+sub dump_ctype_tables($)
 {
     my $filename = shift;
     open OUTPUT,">$filename.new" or die "Cannot create $filename";
@@ -2770,7 +2770,7 @@ DUMP_CASE_MAPPINGS( "libs/wine/casemap.c" );
 DUMP_SORTKEYS( "libs/wine/collation.c", READ_SORTKEYS_FILE() );
 dump_compose_table( "libs/port/compose.c" );
 dump_decompose_table( "libs/port/decompose.c" );
-DUMP_CTYPE_TABLES( "libs/wine/wctype.c" );
+dump_ctype_tables( "libs/port/wctype.c" );
 dump_digit_folding( "libs/port/digitmap.c" );
 dump_combining_class( "libs/port/combclass.c" );
 dump_mirroring( "dlls/usp10/mirror.c" );