diff --git a/python/port/genhdr/qstrdefs.in.h b/python/port/genhdr/qstrdefs.in.h
index 0f5a0d4e9..59eaddb0c 100644
--- a/python/port/genhdr/qstrdefs.in.h
+++ b/python/port/genhdr/qstrdefs.in.h
@@ -12,7 +12,7 @@
 
 // Global configuration
 
-QCFG(BYTES_IN_HASH, (1))
+QCFG(BYTES_IN_HASH, (2))
 QCFG(BYTES_IN_LEN, (1))
 
 // Kandinsky QSTRs
diff --git a/python/port/mpconfigport.h b/python/port/mpconfigport.h
index 6ed2ec4fc..17794886b 100644
--- a/python/port/mpconfigport.h
+++ b/python/port/mpconfigport.h
@@ -8,9 +8,6 @@
 // Maximum length of a path in the filesystem
 #define MICROPY_ALLOC_PATH_MAX (32)
 
-// Number of bytes used to store qstr hash
-#define MICROPY_QSTR_BYTES_IN_HASH (1)
-
 // Whether to include the garbage collector
 #define MICROPY_ENABLE_GC (1)