diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index de24f20..84d8cdc 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -941,12 +941,6 @@
   return is_cfl_allowed(xd);
 }
 
-// constants for prune 1 and prune 2 decision boundaries
-#define FAST_EXT_TX_CORR_MID 0.0
-#define FAST_EXT_TX_EDST_MID 0.1
-#define FAST_EXT_TX_CORR_MARGIN 0.5
-#define FAST_EXT_TX_EDST_MARGIN 0.3
-
 static int inter_block_yrd(const AV1_COMP *cpi, MACROBLOCK *x,
                            RD_STATS *rd_stats, BLOCK_SIZE bsize,
                            int64_t ref_best_rd, FAST_TX_SEARCH_MODE ftxs_mode);