diff --git a/APU.cpp b/APU.cpp
index 7a85606..6a6db58 100644
--- a/APU.cpp
+++ b/APU.cpp
@@ -13,8 +13,6 @@ namespace APU
     uint16_t sound_start=0;
     float t_sound = 0.0f;
     uint32_t samples_generated=0;
-    uint32_t samples_time =0;
-    uint32_t samples_t=0;
 
     #define CH1 channels[0]
     #define CH2 channels[1]
@@ -92,8 +90,6 @@ namespace APU
         SDL_AudioSpec audioSpec{SAMPLING_FREQ, AUDIO_U8, 1, 0, AUDIO_BUFFER_SIZE, 0, 0, NULL, NULL};
         sdlAudioDevice = SDL_OpenAudioDevice(NULL, 0, &audioSpec, NULL, 0);
         resume();
-        //samples_time=SDL_GetTicks();
-        //audio_viewer::init();
     }
 
     void reset()
@@ -405,7 +401,6 @@ namespace APU
         }
 
         t_sound += dt;
-        samples_t += dt;
         if (t_sound>=cycles_per_sample) {
             t_sound-=cycles_per_sample;