diff --git a/bsnes/sfc/coprocessor/icd/icd.cpp b/bsnes/sfc/coprocessor/icd/icd.cpp
index d94bb3be..d084e45a 100644
--- a/bsnes/sfc/coprocessor/icd/icd.cpp
+++ b/bsnes/sfc/coprocessor/icd/icd.cpp
@@ -62,7 +62,7 @@ auto ICD::main() -> void {
   static uint n = 0;
   float x = sin((2 * 3.141592 * n++ * 1000.0) / 44100.0) * 0.1;
   apuWrite(x, x);
-  step(128);
+  step(256);
   return synchronizeCPU();
   #endif
 
@@ -149,8 +149,8 @@ auto ICD::power(bool reset) -> void {
   //SGB1 uses CPU oscillator; SGB2 uses dedicated oscillator
   create(ICD::Enter, frequency);
   if(!reset) stream = Emulator::audio.createStream(2, frequency / 128);
-  dsp.stream->reset();
-  icd.stream->reset();
+//dsp.stream->reset();
+//icd.stream->reset();
 
   for(auto& packet : this->packet) packet = {};
   packetSize = 0;
diff --git a/bsnes/sfc/smp/timing.cpp b/bsnes/sfc/smp/timing.cpp
index 0b8c35e5..1140d76e 100644
--- a/bsnes/sfc/smp/timing.cpp
+++ b/bsnes/sfc/smp/timing.cpp
@@ -35,15 +35,8 @@ auto SMP::waitIdle(maybe<uint16> addr, bool half) -> void {
 auto SMP::step(uint clocks) -> void {
   clock += clocks * (uint64_t)cpu.frequency;
   dsp.clock -= clocks;
-  synchronizeDSP();
-
-  #if defined(DEBUGGER)
   synchronizeCPU();
-  #else
-  //forcefully sync S-SMP to S-CPU in case chips are not communicating
-  //sync if S-SMP is more than 24 samples ahead of S-CPU
-  if(clock > +(768 * 24 * (int64_t)24'000'000)) synchronizeCPU();
-  #endif
+  synchronizeDSP();
 }
 
 auto SMP::stepIdle(uint clocks) -> void {