diff --git a/vp10/common/blockd.h b/vp10/common/blockd.h
index bc2c417fb..25fb56937 100644
--- a/vp10/common/blockd.h
+++ b/vp10/common/blockd.h
@@ -484,6 +484,15 @@ static const int ext_tx_used_inter[EXT_TX_SETS_INTER][TX_TYPES] = {
   {1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0},
 };
 
+// 1D Transforms used in inter set, this needs to be changed if
+// ext_tx_used_inter is changed
+static const int ext_tx_used_inter_1D[EXT_TX_SETS_INTER][TX_TYPES_1D] = {
+  {1, 0, 0, 0},
+  {1, 1, 1, 1},
+  {1, 1, 1, 1},
+  {1, 0, 0, 1},
+};
+
 static INLINE int get_ext_tx_types(TX_SIZE tx_size, BLOCK_SIZE bs,
                                    int is_inter) {
   const int set = get_ext_tx_set(tx_size, bs, is_inter);
diff --git a/vp10/common/enums.h b/vp10/common/enums.h
index ee9e22686..3b2ef2973 100644
--- a/vp10/common/enums.h
+++ b/vp10/common/enums.h
@@ -156,6 +156,15 @@ typedef enum {
   TX_MODES            = 5,
 } TX_MODE;
 
+// 1D tx types
+typedef enum {
+  DCT_1D = 0,
+  ADST_1D = 1,
+  FLIPADST_1D = 2,
+  IDTX_1D = 3,
+  TX_TYPES_1D = 4,
+} TX_TYPE_1D;
+
 typedef enum {
   DCT_DCT   = 0,                      // DCT  in both horizontal and vertical
   ADST_DCT  = 1,                      // ADST in vertical, DCT in horizontal
diff --git a/vp10/encoder/rdopt.c b/vp10/encoder/rdopt.c
index 532b3345f..dc9e69026 100644
--- a/vp10/encoder/rdopt.c
+++ b/vp10/encoder/rdopt.c
@@ -363,14 +363,6 @@ static void swap_block_ptr(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx,
 #define FAST_EXT_TX_CORR_MARGIN 0.3
 #define FAST_EXT_TX_EDST_MARGIN 0.5
 
-typedef enum {
-  DCT_1D = 0,
-  ADST_1D = 1,
-  FLIPADST_1D = 2,
-  IDTX_1D = 3,
-  TX_TYPES_1D = 4,
-} TX_TYPE_1D;
-
 static void get_energy_distribution_fine(const VP10_COMP *cpi,
                                          BLOCK_SIZE bsize,
                                          uint8_t *src, int src_stride,