diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 582dd94..2a537a0 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -66,11 +66,18 @@
 #endif  // CONFIG_PVQ || CONFIG_DAALA_DIST
 #if CONFIG_DUAL_FILTER
 #define DUAL_FILTER_SET_SIZE (SWITCHABLE_FILTERS * SWITCHABLE_FILTERS)
+#if USE_EXTRA_FILTER
 static const int filter_sets[DUAL_FILTER_SET_SIZE][2] = {
   { 0, 0 }, { 0, 1 }, { 0, 2 }, { 0, 3 }, { 1, 0 }, { 1, 1 },
   { 1, 2 }, { 1, 3 }, { 2, 0 }, { 2, 1 }, { 2, 2 }, { 2, 3 },
   { 3, 0 }, { 3, 1 }, { 3, 2 }, { 3, 3 },
 };
+#else   // USE_EXTRA_FILTER
+static const int filter_sets[DUAL_FILTER_SET_SIZE][2] = {
+  { 0, 0 }, { 0, 1 }, { 0, 2 }, { 1, 0 }, { 1, 1 },
+  { 1, 2 }, { 2, 0 }, { 2, 1 }, { 2, 2 },
+};
+#endif  // USE_EXTRA_FILTER
 #endif  // CONFIG_DUAL_FILTER
 
 #if CONFIG_EXT_REFS