diff --git a/src/hb-aat-layout-feat-table.hh b/src/hb-aat-layout-feat-table.hh
index 788d408..8de7873 100644
--- a/src/hb-aat-layout-feat-table.hh
+++ b/src/hb-aat-layout-feat-table.hh
@@ -139,7 +139,7 @@
   protected:
   HBUINT16	feature;	/* Feature type. */
   HBUINT16	nSettings;	/* The number of records in the setting name array. */
-  LOffsetTo<UnsizedArrayOf<SettingName>, false>
+  LNNOffsetTo<UnsizedArrayOf<SettingName>>
 		settingTableZ;	/* Offset in bytes from the beginning of this table to
 				 * this feature's setting name array. The actual type of
 				 * record this offset refers to will depend on the
diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index f978baa..8382d9f 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -141,7 +141,7 @@
   protected:
   HBUINT16	nTracks;	/* Number of separate tracks included in this table. */
   HBUINT16	nSizes;		/* Number of point sizes included in this table. */
-  LOffsetTo<UnsizedArrayOf<HBFixed>, false>
+  LNNOffsetTo<UnsizedArrayOf<HBFixed>>
 		sizeTable;	/* Offset from start of the tracking table to
 				 * Array[nSizes] of size values.. */
   UnsizedArrayOf<TrackTableEntry>
diff --git a/src/hb-ot-meta-table.hh b/src/hb-ot-meta-table.hh
index 43a02d6..6e87f9b 100644
--- a/src/hb-ot-meta-table.hh
+++ b/src/hb-ot-meta-table.hh
@@ -56,7 +56,7 @@
 
   protected:
   Tag		tag;		/* A tag indicating the type of metadata. */
-  LOffsetTo<UnsizedArrayOf<HBUINT8>>
+  LNNOffsetTo<UnsizedArrayOf<HBUINT8>>
 		dataZ;		/* Offset in bytes from the beginning of the
 				 * metadata table to the data for this tag. */
   HBUINT32	dataLength;	/* Length of the data. The data is not required to