diff --git a/data/settings/kernel/drivers/kernel b/data/settings/kernel/drivers/kernel
index 664cf02732..e55652184d 100644
--- a/data/settings/kernel/drivers/kernel
+++ b/data/settings/kernel/drivers/kernel
@@ -57,8 +57,8 @@ load_symbols true
 #emergency_keys false
 	# Disables emergency keys (ie. Alt-SysReq+*), enabled by default
 
-acpi true
-	# ACPI support, disabled by default
+#acpi false
+	# ACPI support, enabled by default
 
 #acpi_avoid_full_init true
 	# Avoids running _INI and _STA methods and final object initialization,
diff --git a/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c b/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
index e3e09d124e..35fafba3fc 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
+++ b/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
@@ -74,33 +74,6 @@ get_device_by_hid_callback(ACPI_HANDLE object, UINT32 depth, void* context,
 }
 
 
-static void dump_madt() {
-	ACPI_STATUS status;
-	ACPI_TABLE_HEADER *madt = NULL;
-/*	ACPI_SUBTABLE_HEADER *entry;
-	void *end; */
-	int madtCount = -1;
-
-	while (true) {
-		status = AcpiGetTable (ACPI_SIG_MADT, ++madtCount, &madt);
-		if (status != AE_OK) break;
-/*
-		dprintf("acpi: MADT TABLE:\n");
-		AcpiDmDumpDataTable( madt );
-		entry = madt + 44;
-		end = madt + madt->Header.Length;
-		while (entry < end) {
-			dprintf("\t\tType: %d\n", entry->Type);
-			entry += entry->Length;
-		};
-*/
-	};
-
-	dprintf("acpi: You have %d MADT tables.\n", madtCount);
-
-}
-
-
 //	#pragma mark - ACPI bus manager API
 
 
@@ -117,16 +90,13 @@ acpi_std_ops(int32 op,...)
 			void *settings;
 			bool acpiDisabled = false;
 			bool acpiAvoidFullInit = false;
-			bool acpiDumpMADT = false;
 
 			settings = load_driver_settings("kernel");
 			if (settings != NULL) {
 				acpiDisabled = !get_driver_boolean_parameter(settings, "acpi",
-					false, false);
+					true, true);
 				acpiAvoidFullInit = get_driver_boolean_parameter(settings,
 					"acpi_avoid_full_init", false, false);
-				acpiDumpMADT = get_driver_boolean_parameter(settings,
-					"acpi_dump_MADT", false, false);
 				unload_driver_settings(settings);
 			}
 
@@ -180,8 +150,6 @@ acpi_std_ops(int32 op,...)
 				goto err;
 			}
 
-			if (acpiDumpMADT) dump_madt();
-
 			/* Install the default address space handlers. */
 			status = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
 				ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL);