diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c
index a56baf77e..0c50dbaf6 100644
--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -2582,16 +2582,6 @@ static void find_next_key_frame(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
   kf_bits = calculate_boost_bits((rc->frames_to_key - 1),
                                   rc->kf_boost, twopass->kf_group_bits);
 
-  // Work out the fraction of the kf group bits reserved for the inter frames
-  // within the group after discounting the bits for the kf itself.
-  if (twopass->kf_group_bits) {
-    twopass->kfgroup_inter_fraction =
-      (double)(twopass->kf_group_bits - kf_bits) /
-      (double)twopass->kf_group_bits;
-  } else {
-    twopass->kfgroup_inter_fraction = 1.0;
-  }
-
   twopass->kf_group_bits -= kf_bits;
 
   // Save the bits to spend on the key frame.
diff --git a/vp9/encoder/vp9_firstpass.h b/vp9/encoder/vp9_firstpass.h
index 20923d75e..76072884d 100644
--- a/vp9/encoder/vp9_firstpass.h
+++ b/vp9/encoder/vp9_firstpass.h
@@ -122,9 +122,6 @@ typedef struct {
   // Error score of frames still to be coded in kf group
   int64_t kf_group_error_left;
 
-  // The fraction for a kf groups total bits allocated to the inter frames
-  double kfgroup_inter_fraction;
-
   double bpm_factor;
   int rolling_arf_group_target_bits;
   int rolling_arf_group_actual_bits;