diff --git a/src/cdump.c b/src/cdump.c
index a054e650a..251b39842 100644
--- a/src/cdump.c
+++ b/src/cdump.c
@@ -40,12 +40,7 @@ cdump_pool(mrb_state *mrb, const mrb_pool_value *p, FILE *fp)
       break;
     case IREP_TT_FLOAT:
 #ifndef MRB_NO_FLOAT
-      if (p->u.f == 0) {
-        fprintf(fp, "{IREP_TT_FLOAT, {.f=%#.1f}},\n", p->u.f);
-      }
-      else {
-        fprintf(fp, "{IREP_TT_FLOAT, {.f=" MRB_FLOAT_FMT "}},\n", p->u.f);
-      }
+      fprintf(fp, "{IREP_TT_FLOAT, {.f=" MRB_FLOAT_FMT "}},\n", p->u.f);
 #endif
       break;
     case IREP_TT_BIGINT: