diff --git a/dlls/dwrite/analyzer.c b/dlls/dwrite/analyzer.c
index a1dafaaf8b6..29557a686d9 100644
--- a/dlls/dwrite/analyzer.c
+++ b/dlls/dwrite/analyzer.c
@@ -28,8 +28,8 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
 
-extern const unsigned short wine_linebreak_table[];
-extern const unsigned short wine_scripts_table[];
+extern const unsigned short wine_linebreak_table[] DECLSPEC_HIDDEN;
+extern const unsigned short wine_scripts_table[] DECLSPEC_HIDDEN;
 
 struct dwritescript_properties {
     DWRITE_SCRIPT_PROPERTIES props;
diff --git a/dlls/dwrite/bidi.c b/dlls/dwrite/bidi.c
index 16ca25f79a3..3deabfcc73d 100644
--- a/dlls/dwrite/bidi.c
+++ b/dlls/dwrite/bidi.c
@@ -52,7 +52,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(bidi);
 
-extern const unsigned short bidi_bracket_table[];
+extern const unsigned short bidi_bracket_table[] DECLSPEC_HIDDEN;
 
 #define ASSERT(x) do { if (!(x)) FIXME("assert failed: %s\n", #x); } while(0)
 #define MAX_DEPTH 125
@@ -199,7 +199,7 @@ static void bidi_classify(const WCHAR *string, UINT8 *chartype, UINT32 count)
 
 WCHAR bidi_get_mirrored_char(WCHAR ch)
 {
-    extern const WCHAR wine_mirror_map[];
+    extern const WCHAR wine_mirror_map[] DECLSPEC_HIDDEN;
     return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
 }
 
diff --git a/dlls/dwrite/bracket.c b/dlls/dwrite/bracket.c
index 3bf38c6ccc4..3c59b8624e7 100644
--- a/dlls/dwrite/bracket.c
+++ b/dlls/dwrite/bracket.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/8.0.0/ucd/BidiBrackets.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short bidi_bracket_table[768] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN bidi_bracket_table[768] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110,
diff --git a/dlls/dwrite/linebreak.c b/dlls/dwrite/linebreak.c
index 27dec8a59bc..6ec1cf1f0ce 100644
--- a/dlls/dwrite/linebreak.c
+++ b/dlls/dwrite/linebreak.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/8.0.0/ucd/LineBreak.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short wine_linebreak_table[7216] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN wine_linebreak_table[7216] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160, 0x0170,
diff --git a/dlls/dwrite/mirror.c b/dlls/dwrite/mirror.c
index 7ba09152f6d..28e39e7aa32 100644
--- a/dlls/dwrite/mirror.c
+++ b/dlls/dwrite/mirror.c
@@ -4,7 +4,7 @@
 
 #include "wine/unicode.h"
 
-const WCHAR wine_mirror_map[3292] =
+const WCHAR DECLSPEC_HIDDEN wine_mirror_map[3292] =
 {
     /* index */
     0x01d8, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100,
diff --git a/dlls/dwrite/scripts.c b/dlls/dwrite/scripts.c
index 78468272f2a..49da6ee333e 100644
--- a/dlls/dwrite/scripts.c
+++ b/dlls/dwrite/scripts.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/8.0.0/ucd/Scripts.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short wine_scripts_table[6336] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN wine_scripts_table[6336] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160, 0x0170,
diff --git a/dlls/gdi32/freetype.c b/dlls/gdi32/freetype.c
index cf3df534763..01cb9131a5f 100644
--- a/dlls/gdi32/freetype.c
+++ b/dlls/gdi32/freetype.c
@@ -6439,7 +6439,7 @@ static inline BYTE get_max_level( UINT format )
     return 255;
 }
 
-extern const unsigned short vertical_orientation_table[];
+extern const unsigned short vertical_orientation_table[] DECLSPEC_HIDDEN;
 
 static BOOL check_unicode_tategaki(WCHAR uchar)
 {
diff --git a/dlls/gdi32/vertical.c b/dlls/gdi32/vertical.c
index 862f9929579..33309f986f6 100644
--- a/dlls/gdi32/vertical.c
+++ b/dlls/gdi32/vertical.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/vertical/revision-15/VerticalOrientation-15.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short vertical_orientation_table[1600] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN vertical_orientation_table[1600] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0120, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110,
diff --git a/dlls/kernel32/locale.c b/dlls/kernel32/locale.c
index b499aa58e73..7418da9f359 100644
--- a/dlls/kernel32/locale.c
+++ b/dlls/kernel32/locale.c
@@ -5018,8 +5018,8 @@ INT WINAPI IdnToNameprepUnicode(DWORD dwFlags, LPCWSTR lpUnicodeCharStr, INT cch
         BIDI_L     = 0x8
     };
 
-    extern const unsigned short nameprep_char_type[];
-    extern const WCHAR nameprep_mapping[];
+    extern const unsigned short nameprep_char_type[] DECLSPEC_HIDDEN;
+    extern const WCHAR nameprep_mapping[] DECLSPEC_HIDDEN;
     const WCHAR *ptr;
     WORD flags;
     WCHAR buf[64], *map_str, norm_str[64], ch;
diff --git a/dlls/kernel32/nameprep.c b/dlls/kernel32/nameprep.c
index cb6eb61dd62..7aa03367d31 100644
--- a/dlls/kernel32/nameprep.c
+++ b/dlls/kernel32/nameprep.c
@@ -2,7 +2,9 @@
 /* generated from http://www.rfc-editor.org/rfc/rfc3454.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short nameprep_char_type[4432] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN nameprep_char_type[4432] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160, 0x0170,
@@ -562,7 +564,7 @@ const unsigned short nameprep_char_type[4432] =
     0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
     0x0001, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002
 };
-const unsigned short nameprep_mapping[5856] =
+const unsigned short DECLSPEC_HIDDEN nameprep_mapping[5856] =
 {
     /* index */
     0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160, 0x0100, 0x0100,
diff --git a/dlls/usp10/bidi.c b/dlls/usp10/bidi.c
index 99817d63850..caa266b34b2 100644
--- a/dlls/usp10/bidi.c
+++ b/dlls/usp10/bidi.c
@@ -56,7 +56,7 @@
 
 #include "usp10_internal.h"
 
-extern const unsigned short bidi_bracket_table[];
+extern const unsigned short bidi_bracket_table[] DECLSPEC_HIDDEN;
 
 WINE_DEFAULT_DEBUG_CHANNEL(bidi);
 
diff --git a/dlls/usp10/bracket.c b/dlls/usp10/bracket.c
index 3bf38c6ccc4..3c59b8624e7 100644
--- a/dlls/usp10/bracket.c
+++ b/dlls/usp10/bracket.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/8.0.0/ucd/BidiBrackets.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short bidi_bracket_table[768] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN bidi_bracket_table[768] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110,
diff --git a/dlls/usp10/breaking.c b/dlls/usp10/breaking.c
index 58aad43e2da..805b841e132 100644
--- a/dlls/usp10/breaking.c
+++ b/dlls/usp10/breaking.c
@@ -36,7 +36,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
 
-extern const unsigned short wine_linebreak_table[];
+extern const unsigned short wine_linebreak_table[] DECLSPEC_HIDDEN;
 
 enum breaking_types { b_BK=1, b_CR, b_LF, b_CM, b_SG, b_GL, b_CB, b_SP, b_ZW, b_NL, b_WJ, b_JL, b_JV, b_JT, b_H2, b_H3, b_XX, b_OP, b_CL, b_CP, b_QU, b_NS, b_EX, b_SY, b_IS, b_PR, b_PO, b_NU, b_AL, b_ID, b_IN, b_HY, b_BB, b_BA, b_SA, b_AI, b_B2, b_HL, b_CJ, b_RI};
 
diff --git a/dlls/usp10/indicsyllable.c b/dlls/usp10/indicsyllable.c
index b3f7ca2e1ec..ba69efcd239 100644
--- a/dlls/usp10/indicsyllable.c
+++ b/dlls/usp10/indicsyllable.c
@@ -3,7 +3,9 @@
 /*       and from http://www.unicode.org/Public/8.0.0/ucd/IndicPositionalCategory.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short indic_syllabic_table[3264] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN indic_syllabic_table[3264] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110,
diff --git a/dlls/usp10/linebreak.c b/dlls/usp10/linebreak.c
index 27dec8a59bc..6ec1cf1f0ce 100644
--- a/dlls/usp10/linebreak.c
+++ b/dlls/usp10/linebreak.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/8.0.0/ucd/LineBreak.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short wine_linebreak_table[7216] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN wine_linebreak_table[7216] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160, 0x0170,
diff --git a/dlls/usp10/mirror.c b/dlls/usp10/mirror.c
index 7ba09152f6d..28e39e7aa32 100644
--- a/dlls/usp10/mirror.c
+++ b/dlls/usp10/mirror.c
@@ -4,7 +4,7 @@
 
 #include "wine/unicode.h"
 
-const WCHAR wine_mirror_map[3292] =
+const WCHAR DECLSPEC_HIDDEN wine_mirror_map[3292] =
 {
     /* index */
     0x01d8, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100,
diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index 52c6a8bd75a..3fdf84baab3 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -84,9 +84,9 @@ static void ShapeCharGlyphProp_Kannada( HDC hdc, ScriptCache *psc, SCRIPT_ANALYS
 static void ShapeCharGlyphProp_Malayalam( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
 static void ShapeCharGlyphProp_Khmer( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
 
-extern const unsigned short indic_syllabic_table[];
-extern const unsigned short wine_shaping_table[];
-extern const unsigned short wine_shaping_forms[LAST_ARABIC_CHAR - FIRST_ARABIC_CHAR + 1][4];
+extern const unsigned short indic_syllabic_table[] DECLSPEC_HIDDEN;
+extern const unsigned short wine_shaping_table[] DECLSPEC_HIDDEN;
+extern const unsigned short wine_shaping_forms[LAST_ARABIC_CHAR - FIRST_ARABIC_CHAR + 1][4] DECLSPEC_HIDDEN;
 
 enum joining_types {
     jtU,
diff --git a/dlls/usp10/shaping.c b/dlls/usp10/shaping.c
index 259ab957bf0..a3dfa8b0cbe 100644
--- a/dlls/usp10/shaping.c
+++ b/dlls/usp10/shaping.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/8.0.0/ucd/ArabicShaping.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short wine_shaping_table[2848] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN wine_shaping_table[2848] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160,
@@ -365,7 +367,7 @@ const unsigned short wine_shaping_table[2848] =
     0x0000, 0x0001, 0x0001, 0x0001, 0x0000, 0x0000, 0x0000, 0x0000
 };
 
-const unsigned short wine_shaping_forms[256][4] =
+const unsigned short DECLSPEC_HIDDEN wine_shaping_forms[256][4] =
 {
     { 0x0600, 0x0600, 0x0600, 0x0600 },
     { 0x0601, 0x0601, 0x0601, 0x0601 },
diff --git a/dlls/usp10/usp10.c b/dlls/usp10/usp10.c
index 3b31867f7ec..c746c57b7a6 100644
--- a/dlls/usp10/usp10.c
+++ b/dlls/usp10/usp10.c
@@ -873,7 +873,7 @@ static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
 
 static WCHAR mirror_char( WCHAR ch )
 {
-    extern const WCHAR wine_mirror_map[];
+    extern const WCHAR wine_mirror_map[] DECLSPEC_HIDDEN;
     return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
 }
 
diff --git a/dlls/wineps.drv/text.c b/dlls/wineps.drv/text.c
index 96728ca6a8e..cd5e1e6f0c9 100644
--- a/dlls/wineps.drv/text.c
+++ b/dlls/wineps.drv/text.c
@@ -40,7 +40,7 @@ static BOOL PSDRV_Text(PHYSDEV dev, INT x, INT y, UINT flags,
 		       LPCWSTR str, UINT count,
 		       BOOL bDrawBackground, const INT *lpDx);
 
-extern const unsigned short vertical_orientation_table[];
+extern const unsigned short vertical_orientation_table[] DECLSPEC_HIDDEN;
 
 static BOOL check_unicode_tategaki(WCHAR uchar)
 {
diff --git a/dlls/wineps.drv/vertical.c b/dlls/wineps.drv/vertical.c
index 862f9929579..33309f986f6 100644
--- a/dlls/wineps.drv/vertical.c
+++ b/dlls/wineps.drv/vertical.c
@@ -2,7 +2,9 @@
 /* generated from http://www.unicode.org/Public/vertical/revision-15/VerticalOrientation-15.txt */
 /* DO NOT EDIT!! */
 
-const unsigned short vertical_orientation_table[1600] =
+#include "wine/unicode.h"
+
+const unsigned short DECLSPEC_HIDDEN vertical_orientation_table[1600] =
 {
     /* level 1 offsets */
     0x0100, 0x0110, 0x0120, 0x0110, 0x0110, 0x0110, 0x0110, 0x0110,
diff --git a/tools/make_unicode b/tools/make_unicode
index 3a8d61081d8..1a9026b1324 100755
--- a/tools/make_unicode
+++ b/tools/make_unicode
@@ -1244,6 +1244,7 @@ sub dump_indic($)
     print OUTPUT "/* generated from $UNIDATA/IndicSyllabicCategory.txt */\n";
     print OUTPUT "/*       and from $UNIDATA/IndicPositionalCategory.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "indic_syllabic_table", $indic_types{'Other'}, @indic_table );
 
@@ -1291,6 +1292,7 @@ sub dump_linebreak($)
     print OUTPUT "/* Unicode Line Break Properties */\n";
     print OUTPUT "/* generated from $UNIDATA/LineBreak.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "wine_linebreak_table", $break_types{'XX'}, @break_table );
 
@@ -1410,6 +1412,7 @@ sub dump_scripts($)
     print OUTPUT "/* Unicode Script IDs */\n";
     print OUTPUT "/* generated from $UNIDATA/Scripts.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "wine_scripts_table", 0, @scripts_table );
     close OUTPUT;
@@ -1444,7 +1447,7 @@ sub dump_mirroring($)
     print OUTPUT "/* generated from $UNIDATA/BidiMirroring.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
     print OUTPUT "#include \"wine/unicode.h\"\n\n";
-    DUMP_CASE_TABLE( "wine_mirror_map", @mirror_table );
+    DUMP_CASE_TABLE( "DECLSPEC_HIDDEN wine_mirror_map", @mirror_table );
     close OUTPUT;
     save_file($filename);
 }
@@ -1480,6 +1483,7 @@ sub dump_bracket($)
     print OUTPUT "/* Unicode Bidirectional Bracket table */\n";
     print OUTPUT "/* generated from $UNIDATA/BidiBrackets.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "bidi_bracket_table", 0, @bracket_table );
 
@@ -1520,10 +1524,11 @@ sub dump_shaping($)
     print OUTPUT "/* Unicode Arabic shaping */\n";
     print OUTPUT "/* generated from $UNIDATA/ArabicShaping.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "wine_shaping_table", 0, @joining_table );
 
-    print OUTPUT "\nconst unsigned short wine_shaping_forms[256][4] =\n{\n";
+    print OUTPUT "\nconst unsigned short DECLSPEC_HIDDEN wine_shaping_forms[256][4] =\n{\n";
     for (my $i = 0x600; $i <= 0x6ff; $i++)
     {
         printf OUTPUT "    { 0x%04x, 0x%04x, 0x%04x, 0x%04x },\n",
@@ -1580,6 +1585,7 @@ sub dump_vertical($)
     print OUTPUT "/* Unicode Vertical Orientation */\n";
     print OUTPUT "/* generated from $VERTICALDATA/VerticalOrientation-15.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "vertical_orientation_table", $vertical_types{'R'}, @vertical_table );
 
@@ -1750,7 +1756,7 @@ sub dump_two_level_mapping($$@)
 
     for (my $i = 256; $i < @array; $i++) { $array[$i] += @array - 4096; }
 
-    printf OUTPUT "const unsigned short %s[%d] =\n{\n", $name, @array + @row_array - 4096;
+    printf OUTPUT "const unsigned short DECLSPEC_HIDDEN %s[%d] =\n{\n", $name, @array + @row_array - 4096;
     printf OUTPUT "    /* level 1 offsets */\n%s,\n", DUMP_ARRAY( "0x%04x", 0, @array[0..255] );
     printf OUTPUT "    /* level 2 offsets */\n%s,\n", DUMP_ARRAY( "0x%04x", 0, @array[256..$#array] );
     printf OUTPUT "    /* values */\n%s\n};\n", DUMP_ARRAY( "0x%04x", 0, @row_array[4096..$#row_array] );
@@ -1939,6 +1945,7 @@ sub dump_nameprep($)
     print OUTPUT "/* Nameprep algorithm related data */\n";
     print OUTPUT "/* generated from $RFCS/$STRINGPREP */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
+    print OUTPUT "#include \"wine/unicode.h\"\n\n";
 
     dump_two_level_mapping( "nameprep_char_type", 0, @flags_table );
 
@@ -1976,7 +1983,7 @@ sub dump_nameprep($)
     }
 
     # dump the main index
-    printf OUTPUT "const unsigned short nameprep_mapping[%d] =\n", $total;
+    printf OUTPUT "const unsigned short DECLSPEC_HIDDEN nameprep_mapping[%d] =\n", $total;
     printf OUTPUT "{\n    /* index */\n";
     printf OUTPUT "%s", DUMP_ARRAY( "0x%04x", 0, @filled_idx );
     printf OUTPUT ",\n    /* null sub-index */\n%s", DUMP_ARRAY( "0x%04x", 0, ($null_offset) x 16 );