diff --git a/Qt/Qt_Main.cpp b/Qt/Qt_Main.cpp
index 14591c9a4..e259e77e9 100755
--- a/Qt/Qt_Main.cpp
+++ b/Qt/Qt_Main.cpp
@@ -4892,7 +4892,7 @@ int main(int argc, char **argv){
   SETTINGS_init();
 
   
-#if defined(FOR_MACOSX) && (defined (__arm64__) || defined (__aarch64__))
+#if 0 // defined(FOR_MACOSX) && (defined (__arm64__) || defined (__aarch64__))
   
   GC_enable_incremental(); // Always incremental under macos(arm)
 
diff --git a/Qt/Qt_preferences_callbacks.cpp b/Qt/Qt_preferences_callbacks.cpp
index e0703e77f..162ed143a 100644
--- a/Qt/Qt_preferences_callbacks.cpp
+++ b/Qt/Qt_preferences_callbacks.cpp
@@ -562,7 +562,7 @@ class Preferences : public RememberGeometryQDialog, public Ui::Preferences {
       {
         gcOnOff->setChecked(true);
 
-#if defined(FOR_MACOSX) && (defined (__arm64__) || defined (__aarch64__))
+#if 0 // defined(FOR_MACOSX) && (defined (__arm64__) || defined (__aarch64__))
 	bool incremental_gc = true;
 #else
         bool incremental_gc = SETTINGS_read_bool("incremental_gc",false);
@@ -578,7 +578,7 @@ class Preferences : public RememberGeometryQDialog, public Ui::Preferences {
         if (incremental_gc)
           incrementalGcNextTime->setDisabled(true);
 	
-#if defined(FOR_MACOSX) && (defined (__arm64__) || defined (__aarch64__))
+#if 0 // defined(FOR_MACOSX) && (defined (__arm64__) || defined (__aarch64__))
 	R_ASSERT(incremental_gc);
 	gcOnOff->setDisabled(true);
 	incrementalGcNextTime->setDisabled(true);