diff --git a/src/add-ons/kernel/generic/blkman/wrapper.h b/src/add-ons/kernel/generic/blkman/wrapper.h
index 6793cb73be..a1e24e7de5 100644
--- a/src/add-ons/kernel/generic/blkman/wrapper.h
+++ b/src/add-ons/kernel/generic/blkman/wrapper.h
@@ -43,15 +43,15 @@
 #endif
 
 #ifndef debug_level_flow
-#	define debug_level_flow 3
+#	define debug_level_flow 0
 #endif
 
 #ifndef debug_level_info
-#	define debug_level_info 2
+#	define debug_level_info 1
 #endif
 
 #ifndef debug_level_error
-#	define debug_level_error 1
+#	define debug_level_error 2
 #endif
 
 #define FUNC_NAME DEBUG_MSG_PREFIX __FUNCTION__ ": "
diff --git a/src/add-ons/kernel/generic/scsi_periph/wrapper.h b/src/add-ons/kernel/generic/scsi_periph/wrapper.h
index 6793cb73be..a1e24e7de5 100644
--- a/src/add-ons/kernel/generic/scsi_periph/wrapper.h
+++ b/src/add-ons/kernel/generic/scsi_periph/wrapper.h
@@ -43,15 +43,15 @@
 #endif
 
 #ifndef debug_level_flow
-#	define debug_level_flow 3
+#	define debug_level_flow 0
 #endif
 
 #ifndef debug_level_info
-#	define debug_level_info 2
+#	define debug_level_info 1
 #endif
 
 #ifndef debug_level_error
-#	define debug_level_error 1
+#	define debug_level_error 2
 #endif
 
 #define FUNC_NAME DEBUG_MSG_PREFIX __FUNCTION__ ": "