diff --git a/src/core/regalloc.c b/src/core/regalloc.c
index 83cfbc7b..13898386 100644
--- a/src/core/regalloc.c
+++ b/src/core/regalloc.c
@@ -144,7 +144,6 @@ void janetc_regalloc_free(JanetcRegisterAllocator *ra, int32_t reg) {
 int32_t janetc_regalloc_temp(JanetcRegisterAllocator *ra, JanetcRegisterTemp nth) {
     int32_t oldmax = ra->max;
     if (ra->regtemps & (1 << nth)) {
-        printf("regtemp %d attempted\n", nth);
         janet_exit("regtemp already allocated");
     }
     ra->regtemps |= 1 << nth;