diff --git a/src/engine/platform/ay.cpp b/src/engine/platform/ay.cpp
index f4dc46623..d4de49ab0 100644
--- a/src/engine/platform/ay.cpp
+++ b/src/engine/platform/ay.cpp
@@ -26,7 +26,6 @@ void DivPlatformAY8910::acquire(short* bufL, short* bufR, size_t start, size_t l
   ay->sound_stream_update(ayBuf,len);
   for (size_t i=0; i<len; i++) {
     bufL[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
-    bufR[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
   }
 }
 
diff --git a/src/engine/platform/ay8930.cpp b/src/engine/platform/ay8930.cpp
index 4579c3ecb..a4c81b564 100644
--- a/src/engine/platform/ay8930.cpp
+++ b/src/engine/platform/ay8930.cpp
@@ -35,7 +35,6 @@ void DivPlatformAY8930::acquire(short* bufL, short* bufR, size_t start, size_t l
   ay->sound_stream_update(ayBuf,len);
   for (size_t i=0; i<len; i++) {
     bufL[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
-    bufR[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
   }
 }