diff --git a/include/picrin/irep.h b/include/picrin/irep.h
index 8b674b5f..2ef24cd7 100644
--- a/include/picrin/irep.h
+++ b/include/picrin/irep.h
@@ -47,7 +47,6 @@ enum pic_opcode {
 struct pic_code {
   enum pic_opcode insn;
   union {
-    double f;
     int i;
     char c;
     struct {