diff --git a/src/unicode/script_test.go b/src/unicode/script_test.go
index 7d760fc5e3..66bfa3cb9e 100644
--- a/src/unicode/script_test.go
+++ b/src/unicode/script_test.go
@@ -14,162 +14,6 @@ type T struct {
 	script string
 }
 
-// Hand-chosen tests from Unicode 5.1.0, 6.0.0, 6.2.0, 6.3.0, 7.0.0, 8.0.0,
-// 9.0.0, 10.0.0.
-// mostly to discover when new scripts and categories arise.
-// If this tests fails, add the missing scripts to the test and add entries
-// of the form
-//     pkg unicode, var <new script> *RangeTable
-// to api/next.txt.
-var inTest = []T{
-	{0x11711, "Ahom"},
-	{0x1e900, "Adlam"},
-	{0x14646, "Anatolian_Hieroglyphs"},
-	{0x06e2, "Arabic"},
-	{0x0567, "Armenian"},
-	{0x10b20, "Avestan"},
-	{0x11c00, "Bhaiksuki"},
-	{0x1b37, "Balinese"},
-	{0xa6af, "Bamum"},
-	{0x16ada, "Bassa_Vah"},
-	{0x1be1, "Batak"},
-	{0x09c2, "Bengali"},
-	{0x3115, "Bopomofo"},
-	{0x282d, "Braille"},
-	{0x1a1a, "Buginese"},
-	{0x1747, "Buhid"},
-	{0x11011, "Brahmi"},
-	{0x156d, "Canadian_Aboriginal"},
-	{0x102a9, "Carian"},
-	{0x10563, "Caucasian_Albanian"},
-	{0x11111, "Chakma"},
-	{0xaa4d, "Cham"},
-	{0x13c2, "Cherokee"},
-	{0x0020, "Common"},
-	{0x1d4a5, "Common"},
-	{0x2cfc, "Coptic"},
-	{0x12420, "Cuneiform"},
-	{0x1080c, "Cypriot"},
-	{0xa663, "Cyrillic"},
-	{0x10430, "Deseret"},
-	{0x094a, "Devanagari"},
-	{0x1BC00, "Duployan"},
-	{0x13001, "Egyptian_Hieroglyphs"},
-	{0x10500, "Elbasan"},
-	{0x1271, "Ethiopic"},
-	{0x10fc, "Georgian"},
-	{0x2c40, "Glagolitic"},
-	{0x10347, "Gothic"},
-	{0x11303, "Grantha"},
-	{0x03ae, "Greek"},
-	{0x0abf, "Gujarati"},
-	{0x0a24, "Gurmukhi"},
-	{0x3028, "Han"},
-	{0x11b8, "Hangul"},
-	{0x1727, "Hanunoo"},
-	{0x108FF, "Hatran"},
-	{0x05a0, "Hebrew"},
-	{0x3058, "Hiragana"},
-	{0x10841, "Imperial_Aramaic"},
-	{0x20e6, "Inherited"},
-	{0x10b70, "Inscriptional_Pahlavi"},
-	{0x10b5a, "Inscriptional_Parthian"},
-	{0xa9d0, "Javanese"},
-	{0x1109f, "Kaithi"},
-	{0x0cbd, "Kannada"},
-	{0x30a6, "Katakana"},
-	{0xa928, "Kayah_Li"},
-	{0x10a11, "Kharoshthi"},
-	{0x17c6, "Khmer"},
-	{0x11211, "Khojki"},
-	{0x112df, "Khudawadi"},
-	{0x0eaa, "Lao"},
-	{0x1d79, "Latin"},
-	{0x1c10, "Lepcha"},
-	{0x1930, "Limbu"},
-	{0x10755, "Linear_A"},
-	{0x1003c, "Linear_B"},
-	{0xa4e1, "Lisu"},
-	{0x10290, "Lycian"},
-	{0x10930, "Lydian"},
-	{0x11173, "Mahajani"},
-	{0x0d42, "Malayalam"},
-	{0x0843, "Mandaic"},
-	{0x10ac8, "Manichaean"},
-	{0x11cB6, "Marchen"},
-	{0x11d59, "Masaram_Gondi"},
-	{0xabd0, "Meetei_Mayek"},
-	{0x1e800, "Mende_Kikakui"},
-	{0x1099f, "Meroitic_Hieroglyphs"},
-	{0x109a0, "Meroitic_Cursive"},
-	{0x16f00, "Miao"},
-	{0x11611, "Modi"},
-	{0x1822, "Mongolian"},
-	{0x16a60, "Mro"},
-	{0x11293, "Multani"},
-	{0x104c, "Myanmar"},
-	{0x10880, "Nabataean"},
-	{0x11400, "Newa"},
-	{0x19c3, "New_Tai_Lue"},
-	{0x07f8, "Nko"},
-	{0x1b170, "Nushu"},
-	{0x169b, "Ogham"},
-	{0x1c6a, "Ol_Chiki"},
-	{0x10C80, "Old_Hungarian"},
-	{0x10310, "Old_Italic"},
-	{0x10a80, "Old_North_Arabian"},
-	{0x10350, "Old_Permic"},
-	{0x103c9, "Old_Persian"},
-	{0x10a6f, "Old_South_Arabian"},
-	{0x10c20, "Old_Turkic"},
-	{0x0b3e, "Oriya"},
-	{0x104d9, "Osage"},
-	{0x10491, "Osmanya"},
-	{0x16b2b, "Pahawh_Hmong"},
-	{0x10876, "Palmyrene"},
-	{0x11ACE, "Pau_Cin_Hau"},
-	{0xa860, "Phags_Pa"},
-	{0x10918, "Phoenician"},
-	{0x10baf, "Psalter_Pahlavi"},
-	{0xa949, "Rejang"},
-	{0x16c0, "Runic"},
-	{0x081d, "Samaritan"},
-	{0xa892, "Saurashtra"},
-	{0x111a0, "Sharada"},
-	{0x10463, "Shavian"},
-	{0x115c1, "Siddham"},
-	{0x1D920, "SignWriting"},
-	{0x0dbd, "Sinhala"},
-	{0x110d0, "Sora_Sompeng"},
-	{0x11a99, "Soyombo"},
-	{0x1ba3, "Sundanese"},
-	{0xa803, "Syloti_Nagri"},
-	{0x070f, "Syriac"},
-	{0x170f, "Tagalog"},
-	{0x176f, "Tagbanwa"},
-	{0x1972, "Tai_Le"},
-	{0x1a62, "Tai_Tham"},
-	{0xaadc, "Tai_Viet"},
-	{0x116c9, "Takri"},
-	{0x0bbf, "Tamil"},
-	{0x17000, "Tangut"},
-	{0x0c55, "Telugu"},
-	{0x07a7, "Thaana"},
-	{0x0e46, "Thai"},
-	{0x0f36, "Tibetan"},
-	{0x2d55, "Tifinagh"},
-	{0x114d9, "Tirhuta"},
-	{0x10388, "Ugaritic"},
-	{0xa60e, "Vai"},
-	{0x118ff, "Warang_Citi"},
-	{0xa216, "Yi"},
-	{0x11a0a, "Zanabazar_Square"},
-}
-
-var outTest = []T{ // not really worth being thorough
-	{0x20, "Telugu"},
-}
-
 var inCategoryTest = []T{
 	{0x0081, "Cc"},
 	{0x200B, "Cf"},
@@ -248,30 +92,6 @@ var inPropTest = []T{
 	{0x0020, "White_Space"},
 }
 
-func TestScripts(t *testing.T) {
-	notTested := make(map[string]bool)
-	for k := range Scripts {
-		notTested[k] = true
-	}
-	for _, test := range inTest {
-		if _, ok := Scripts[test.script]; !ok {
-			t.Fatal(test.script, "not a known script")
-		}
-		if !Is(Scripts[test.script], test.rune) {
-			t.Errorf("IsScript(%U, %s) = false, want true", test.rune, test.script)
-		}
-		delete(notTested, test.script)
-	}
-	for _, test := range outTest {
-		if Is(Scripts[test.script], test.rune) {
-			t.Errorf("IsScript(%U, %s) = true, want false", test.rune, test.script)
-		}
-	}
-	for k := range notTested {
-		t.Error("script not tested:", k)
-	}
-}
-
 func TestCategories(t *testing.T) {
 	notTested := make(map[string]bool)
 	for k := range Categories {