diff --git a/src/engine/dispatchContainer.cpp b/src/engine/dispatchContainer.cpp
index b73aea2f..c30d7f23 100644
--- a/src/engine/dispatchContainer.cpp
+++ b/src/engine/dispatchContainer.cpp
@@ -86,16 +86,9 @@
 void DivDispatchContainer::setRates(double gotRate) {
   int outs=dispatch->getOutputCount();
 
-  int rate=dispatch->rate;
-  rateMul=0;
-  while (rateMul<8 && rate<gotRate) {
-    rate*=2;
-    rateMul++;
-  }
-
   for (int i=0; i<outs; i++) {
     if (bb[i]==NULL) continue;
-    blip_set_rates(bb[i],rate,gotRate);
+    blip_set_rates(bb[i],dispatch->rate,gotRate);
   }
   rateMemory=gotRate;
 }
@@ -127,13 +120,7 @@ void DivDispatchContainer::grow(size_t size) {
         logE("not enough memory!"); \
         return; \
       } \
-      int rate=dispatch->rate; \
-      rateMul=0; \
-      while (rateMul<8 && rate<rateMemory) { \
-        rate*=2; \
-        rateMul++; \
-      } \
-      blip_set_rates(bb[i],rate,rateMemory); \
+      blip_set_rates(bb[i],dispatch->rate,rateMemory); \
  \
       if (bbIn[i]==NULL) bbIn[i]=new short[bbInLen]; \
       if (bbOut[i]==NULL) bbOut[i]=new short[bbInLen]; \
@@ -147,25 +134,6 @@ void DivDispatchContainer::grow(size_t size) {
 void DivDispatchContainer::acquire(size_t offset, size_t count) {
   CHECK_MISSING_BUFS;
 
-  if (rateMul) {
-    //logV("req: from %d to %d",offset,offset+count-1);
-    offset+=runPosSub;
-    size_t oldCount=count;
-    runPosSub=(runPosSub+oldCount)&((1<<rateMul)-1);
-    count+=runPosSub;
-
-    offset>>=rateMul;
-    count>>=rateMul;
-
-    if (offset!=0 && offset!=lastCount) {
-      logW("Shit! %d %d",offset,lastCount);
-    }
-
-    lastCount=offset+count;
-
-    //logV("got: from %d to %d",offset,offset+count-1);
-  }
-
   for (int i=0; i<DIV_MAX_OUTPUTS; i++) {
     if (i>=outs) {
       bbInMapped[i]=NULL;
@@ -192,8 +160,6 @@ void DivDispatchContainer::flush(size_t count) {
 void DivDispatchContainer::fillBuf(size_t runtotal, size_t offset, size_t size) {
   CHECK_MISSING_BUFS;
 
-  int step=1<<rateMul;
-
   if (dcOffCompensation && runtotal>0) {
     dcOffCompensation=false;
     for (int i=0; i<outs; i++) {
@@ -201,54 +167,24 @@ void DivDispatchContainer::fillBuf(size_t runtotal, size_t offset, size_t size)
       prevSample[i]=bbIn[i][0];
     }
   }
-
-  // I know, code duplication, but optimization...
-  if (rateMul) {
-    if (lowQuality) {
-      for (int i=0; i<outs; i++) {
-        if (bbIn[i]==NULL) continue;
-        if (bb[i]==NULL) continue;
-        int s=0;
-        for (size_t j=fillSub; j<runtotal; j+=step) {
-          temp[i]=bbIn[i][s++];
-          blip_add_delta_fast(bb[i],j,temp[i]-prevSample[i]);
-          prevSample[i]=temp[i];
-        }
-      }
-    } else {
-      for (int i=0; i<outs; i++) {
-        if (bbIn[i]==NULL) continue;
-        if (bb[i]==NULL) continue;
-        int s=0;
-        for (size_t j=fillSub; j<runtotal; j+=step) {
-          temp[i]=bbIn[i][s++];
-          blip_add_delta(bb[i],j,temp[i]-prevSample[i]);
-          prevSample[i]=temp[i];
-        }
+  if (lowQuality) {
+    for (int i=0; i<outs; i++) {
+      if (bbIn[i]==NULL) continue;
+      if (bb[i]==NULL) continue;
+      for (size_t j=0; j<runtotal; j++) {
+        temp[i]=bbIn[i][j];
+        blip_add_delta_fast(bb[i],j,temp[i]-prevSample[i]);
+        prevSample[i]=temp[i];
       }
     }
-
-    fillSub=(fillSub+runtotal)&((1<<rateMul)-1);
   } else {
-    if (lowQuality) {
-      for (int i=0; i<outs; i++) {
-        if (bbIn[i]==NULL) continue;
-        if (bb[i]==NULL) continue;
-        for (size_t j=0; j<runtotal; j++) {
-          temp[i]=bbIn[i][j];
-          blip_add_delta_fast(bb[i],j,temp[i]-prevSample[i]);
-          prevSample[i]=temp[i];
-        }
-      }
-    } else {
-      for (int i=0; i<outs; i++) {
-        if (bbIn[i]==NULL) continue;
-        if (bb[i]==NULL) continue;
-        for (size_t j=0; j<runtotal; j++) {
-          temp[i]=bbIn[i][j];
-          blip_add_delta(bb[i],j,temp[i]-prevSample[i]);
-          prevSample[i]=temp[i];
-        }
+    for (int i=0; i<outs; i++) {
+      if (bbIn[i]==NULL) continue;
+      if (bb[i]==NULL) continue;
+      for (size_t j=0; j<runtotal; j++) {
+        temp[i]=bbIn[i][j];
+        blip_add_delta(bb[i],j,temp[i]-prevSample[i]);
+        prevSample[i]=temp[i];
       }
     }
   }
@@ -273,10 +209,6 @@ void DivDispatchContainer::clear() {
     prevSample[i]=0;
   }
 
-  runPosSub=0;
-  fillSub=0;
-  lastCount=0;
-
   if (dispatch->getDCOffRequired()) {
     dcOffCompensation=true;
   }
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 077daf5d..d31de903 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -184,13 +184,12 @@ struct DivNoteEvent {
 struct DivDispatchContainer {
   DivDispatch* dispatch;
   blip_buffer_t* bb[DIV_MAX_OUTPUTS];
-  size_t bbInLen, runtotal, runLeft, runPos, lastAvail, lastCount;
+  size_t bbInLen, runtotal, runLeft, runPos, lastAvail;
   int temp[DIV_MAX_OUTPUTS], prevSample[DIV_MAX_OUTPUTS];
   short* bbInMapped[DIV_MAX_OUTPUTS];
   short* bbIn[DIV_MAX_OUTPUTS];
   short* bbOut[DIV_MAX_OUTPUTS];
   bool lowQuality, dcOffCompensation;
-  unsigned char rateMul, runPosSub, fillSub;
   double rateMemory;
 
   void setRates(double gotRate);
@@ -209,12 +208,8 @@ struct DivDispatchContainer {
     runLeft(0),
     runPos(0),
     lastAvail(0),
-    lastCount(0),
     lowQuality(false),
     dcOffCompensation(false),
-    rateMul(0),
-    runPosSub(0),
-    fillSub(0),
     rateMemory(0.0) {
     memset(bb,0,DIV_MAX_OUTPUTS*sizeof(blip_buffer_t*));
     memset(temp,0,DIV_MAX_OUTPUTS*sizeof(int));