diff --git a/include/picrin/irep.h b/include/picrin/irep.h
index 94745233..8b674b5f 100644
--- a/include/picrin/irep.h
+++ b/include/picrin/irep.h
@@ -14,7 +14,6 @@ enum pic_opcode {
   OP_PUSHNIL,
   OP_PUSHTRUE,
   OP_PUSHFALSE,
-  OP_PUSHFLOAT,
   OP_PUSHINT,
   OP_PUSHCHAR,
   OP_PUSHCONST,
diff --git a/src/codegen.c b/src/codegen.c
index ec1596d3..a234aa6b 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -1167,11 +1167,6 @@ codegen(codegen_state *state, pic_value obj)
       }
       cxt->clen++;
       return;
-    case PIC_TT_FLOAT:
-      cxt->code[cxt->clen].insn = OP_PUSHFLOAT;
-      cxt->code[cxt->clen].u.f = pic_float(obj);
-      cxt->clen++;
-      return;
     case PIC_TT_INT:
       cxt->code[cxt->clen].insn = OP_PUSHINT;
       cxt->code[cxt->clen].u.i = pic_int(obj);
@@ -1511,9 +1506,6 @@ print_code(pic_state *pic, struct pic_code c)
   case OP_PUSHFALSE:
     puts("OP_PUSHFALSE");
     break;
-  case OP_PUSHFLOAT:
-    printf("OP_PUSHFLOAT\t%f\n", c.u.f);
-    break;
   case OP_PUSHINT:
     printf("OP_PUSHINT\t%d\n", c.u.i);
     break;
diff --git a/src/vm.c b/src/vm.c
index 966586dc..f200cab1 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -387,7 +387,7 @@ pic_apply(pic_state *pic, struct pic_proc *proc, pic_value argv)
 
 #if PIC_DIRECT_THREADED_VM
   static void *oplabels[] = {
-    &&L_OP_POP, &&L_OP_PUSHNIL, &&L_OP_PUSHTRUE, &&L_OP_PUSHFALSE, &&L_OP_PUSHFLOAT,
+    &&L_OP_POP, &&L_OP_PUSHNIL, &&L_OP_PUSHTRUE, &&L_OP_PUSHFALSE,
     &&L_OP_PUSHINT, &&L_OP_PUSHCHAR, &&L_OP_PUSHCONST,
     &&L_OP_GREF, &&L_OP_GSET, &&L_OP_LREF, &&L_OP_LSET, &&L_OP_CREF, &&L_OP_CSET,
     &&L_OP_JMP, &&L_OP_JMPIF, &&L_OP_CALL, &&L_OP_TAILCALL, &&L_OP_RET, &&L_OP_LAMBDA,
@@ -459,10 +459,6 @@ pic_apply(pic_state *pic, struct pic_proc *proc, pic_value argv)
       PUSH(pic_false_value());
       NEXT;
     }
-    CASE(OP_PUSHFLOAT) {
-      PUSH(pic_float_value(c.u.f));
-      NEXT;
-    }
     CASE(OP_PUSHINT) {
       PUSH(pic_int_value(c.u.i));
       NEXT;