diff --git a/src/codegen.c b/src/codegen.c
index 01ba4eb1..162b3c8c 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -93,7 +93,6 @@ typedef struct analyze_state {
   pic_sym rEQ, rLT, rLE, rGT, rGE;
   pic_sym sCALL, sTAILCALL;
   pic_sym sGREF, sLREF, sCREF;
-  pic_sym sGSET, sLSET, sCSET;
 } analyze_state;
 
 static void push_scope(analyze_state *, pic_value);
@@ -142,9 +141,6 @@ new_analyze_state(pic_state *pic)
   register_symbol(pic, state, sGREF, "gref");
   register_symbol(pic, state, sLREF, "lref");
   register_symbol(pic, state, sCREF, "cref");
-  register_symbol(pic, state, sGREF, "gref");
-  register_symbol(pic, state, sLREF, "lref");
-  register_symbol(pic, state, sCREF, "cref");
 
   /* push initial scope */
   push_scope(state, pic_nil_value());