diff --git a/index.js b/index.js
index 16a5f38..dd0a462 100644
--- a/index.js
+++ b/index.js
@@ -22,8 +22,6 @@ const ZWJ = 0x200d
 const GRAPHEMS = [
   0x0308, // ( ◌̈ ) COMBINING DIAERESIS
   0x0937, // ( ष ) DEVANAGARI LETTER SSA
-  0x0937, // ( ष ) DEVANAGARI LETTER SSA
-  0x093F, // ( ि ) DEVANAGARI VOWEL SIGN I
   0x093F, // ( ि ) DEVANAGARI VOWEL SIGN I
   0x0BA8, // ( ந ) TAMIL LETTER NA
   0x0BBF, // ( ி ) TAMIL VOWEL SIGN I