diff --git a/system/main.c b/system/main.c
index a76c8872ba..854bd45fc9 100644
--- a/system/main.c
+++ b/system/main.c
@@ -167,7 +167,7 @@ int main(int argc, char **argv)
         libafl_qemu_write_reg(cpu, 12, reg_tmp_val);
 
         unsigned long start_count = icount_get_raw();
-        printf("Start: %lu\n", start_count);
+        //printf("Start: %lu\n", start_count);
         vm_start();
         qemu_main_loop();
         libafl_qemu_remove_native_breakpoint(end);
@@ -177,15 +177,15 @@ int main(int argc, char **argv)
             printf("Error: Could not read register\n");
         }
         u_int32_t output = (u_int32_t)code_output[0] | ((u_int32_t)code_output[1] << 8) | ((u_int32_t)code_output[2] << 16) | ((u_int32_t)code_output[3] << 24);
-        printf("Output: %u\n", output);
+        //printf("Output: %u\n", output);
 
         unsigned long end_count = icount_get_raw();
-        printf("End: %lu\n", end_count);
+        //printf("End: %lu\n", end_count);
         inputs[i] = i;
         outputs[i] = output;
         deltas[i] = end_count - start_count;
 
-        printf("Delta: %lu\n", deltas[i]);
+        //printf("Delta: %lu\n", deltas[i]);
     }
 
     // // Write to serial port