diff --git a/kubejs/startup_scripts/gtceu/constants.js b/kubejs/startup_scripts/gtceu/constants.js
index 7368a5a7e..2b99e1bd1 100644
--- a/kubejs/startup_scripts/gtceu/constants.js
+++ b/kubejs/startup_scripts/gtceu/constants.js
@@ -184,42 +184,3 @@ global.ORE_BEARING_STONES = [
     'dripstone'
 ];
 
-global.GTCEU_GEM_TYPES = [
-    'almandine',
-    'andradite',
-    'blue_topaz',
-    'cinnabar',
-    'coal',
-    'diamond',
-    'emerald',
-    'green_sapphire',
-    'grossular',
-    'rutile',
-    'lazurite',
-    'pyrope',
-    'rock_salt',
-    'ruby',
-    'salt',
-    'sapphire',
-    'sodalite',
-    'coke',
-    'spessartine',
-    'topaz',
-    'uvarovite',
-    'nether_quartz',
-    'certus_quartz',
-    'quartzite',
-    'realgar',
-    'malachite',
-    'glass',
-    'olivine',
-    'opal',
-    'amethyst',
-    // 'echo_shard', disabled
-    'lapis',
-    'apatite',
-    'red_garnet',
-    'yellow_garnet',
-    'monazite',
-    'rose_quartz'
-];