diff --git a/src/gui/guiConst.cpp b/src/gui/guiConst.cpp
index 0735df06c..be1573778 100644
--- a/src/gui/guiConst.cpp
+++ b/src/gui/guiConst.cpp
@@ -984,7 +984,7 @@ const int availableSystems[]={
   DIV_SYSTEM_VRC6,
   DIV_SYSTEM_FDS,
   DIV_SYSTEM_MMC5,
-  DIV_SYSTEM_ES5506,
+//  DIV_SYSTEM_ES5506,
   DIV_SYSTEM_SCC,
   DIV_SYSTEM_SCC_PLUS,
   DIV_SYSTEM_YMZ280B,
@@ -1102,7 +1102,7 @@ const int chipsSample[]={
   DIV_SYSTEM_K007232,
   DIV_SYSTEM_GA20,
   DIV_SYSTEM_PCM_DAC,
-  DIV_SYSTEM_ES5506,
+//  DIV_SYSTEM_ES5506,
   0 // don't remove this last one!
 };
 
diff --git a/src/gui/presets.cpp b/src/gui/presets.cpp
index 09bc6715d..02f7a2fbe 100644
--- a/src/gui/presets.cpp
+++ b/src/gui/presets.cpp
@@ -2012,11 +2012,13 @@ void FurnaceGUI::initSystemPresets() {
       CH(DIV_SYSTEM_X1_010, 1.0f, 0, "clockSel=1")
     }
   );
+  /*
   ENTRY(
     "Sammy/Seta/Visco SSV", {
       CH(DIV_SYSTEM_ES5506, 1.0f, 0, "channels=31")
     }
   );
+  */
   ENTRY(
     "Cave 68000", {
       CH(DIV_SYSTEM_YMZ280B, 1.0f, 0, "")
@@ -2429,11 +2431,13 @@ void FurnaceGUI::initSystemPresets() {
       CH(DIV_SYSTEM_PCM_DAC, 1.0f, 0, "")
     }
   );
+  /*
   ENTRY(
     "Ensoniq ES5506 (OTTO)", {
       CH(DIV_SYSTEM_ES5506, 1.0f, 0, "channels=31")
     }
   );
+  */
   CATEGORY_END;
 
   CATEGORY_BEGIN("Wavetable","chips which use user-specified waveforms to generate sound.");