diff --git a/av1/common/blockd.h b/av1/common/blockd.h
index 327a8d0..1dedd11 100644
--- a/av1/common/blockd.h
+++ b/av1/common/blockd.h
@@ -438,24 +438,15 @@
 
 #if CONFIG_EXT_TX
 #define ALLOW_INTRA_EXT_TX 1
-// whether masked transforms are used for 32X32
-#define USE_MSKTX_FOR_32X32 0
-#define USE_REDUCED_TXSET_FOR_16X16 1
 
 static const int num_ext_tx_set_inter[EXT_TX_SETS_INTER] = { 1, 16, 12, 2 };
 static const int num_ext_tx_set_intra[EXT_TX_SETS_INTRA] = { 1, 7, 5 };
 
-#if EXT_TX_SIZES == 4
 static INLINE int get_ext_tx_set(TX_SIZE tx_size, BLOCK_SIZE bs, int is_inter) {
   tx_size = txsize_sqr_map[tx_size];
   if (tx_size > TX_32X32 || bs < BLOCK_8X8) return 0;
-#if USE_REDUCED_TXSET_FOR_16X16
-  if (tx_size == TX_32X32) return is_inter ? 3 - USE_MSKTX_FOR_32X32 : 0;
+  if (tx_size == TX_32X32) return is_inter ? 3 : 0;
   return (tx_size == TX_16X16 ? 2 : 1);
-#else
-  if (tx_size == TX_32X32) return is_inter ? 3 - 2 * USE_MSKTX_FOR_32X32 : 0;
-  return (tx_size == TX_16X16 && !is_inter ? 2 : 1);
-#endif  // USE_REDUCED_TXSET_FOR_16X16
 }
 
 static const int use_intra_ext_tx_for_txsize[EXT_TX_SETS_INTRA][TX_SIZES] = {
@@ -466,38 +457,10 @@
 
 static const int use_inter_ext_tx_for_txsize[EXT_TX_SETS_INTER][TX_SIZES] = {
   { 0, 0, 0, 0 },  // unused
-  { 1, 1, (!USE_REDUCED_TXSET_FOR_16X16), USE_MSKTX_FOR_32X32 },
-  { 0, 0, USE_REDUCED_TXSET_FOR_16X16, 0 },
-  { 0, 0, 0, (!USE_MSKTX_FOR_32X32) },
-};
-
-#else  // EXT_TX_SIZES == 4
-
-static INLINE int get_ext_tx_set(TX_SIZE tx_size, BLOCK_SIZE bs, int is_inter) {
-  (void)is_inter;
-  tx_size = txsize_sqr_map[tx_size];
-  if (tx_size > TX_32X32 || bs < BLOCK_8X8) return 0;
-  if (tx_size == TX_32X32) return 0;
-#if USE_REDUCED_TXSET_FOR_16X16
-  return (tx_size == TX_16X16 ? 2 : 1);
-#else
-  return (tx_size == TX_16X16 && !is_inter ? 2 : 1);
-#endif  // USE_REDUCED_TXSET_FOR_16X16
-}
-
-static const int use_intra_ext_tx_for_txsize[EXT_TX_SETS_INTRA][TX_SIZES] = {
-  { 0, 0, 0, 0 },  // unused
   { 1, 1, 0, 0 },
   { 0, 0, 1, 0 },
-};
-
-static const int use_inter_ext_tx_for_txsize[EXT_TX_SETS_INTER][TX_SIZES] = {
-  { 0, 0, 0, 0 },  // unused
-  { 1, 1, (!USE_REDUCED_TXSET_FOR_16X16), 0 },
-  { 0, 0, USE_REDUCED_TXSET_FOR_16X16, 0 },
   { 0, 0, 0, 1 },
 };
-#endif  // EXT_TX_SIZES == 4
 
 // Transform types used in each intra set
 static const int ext_tx_used_intra[EXT_TX_SETS_INTRA][TX_TYPES] = {