diff --git a/src/output.F90 b/src/output.F90
index becb61c65e..6c2c5cdbe7 100644
--- a/src/output.F90
+++ b/src/output.F90
@@ -1319,7 +1319,7 @@ contains
     if (confidence_intervals) then
        ! Calculate t-value for confidence intervals
        alpha = ONE - CONFIDENCE_LEVEL
-       t_value = t_percentile(ONE - alpha/TWO, global_tallies(K_ANALOG) % n_realizations - 1)
+       t_value = t_percentile(ONE - alpha/TWO, n_realizations - 1)
 
        ! Adjust sum_sq
        global_tallies(:) % sum_sq = t_value * global_tallies(:) % sum_sq
diff --git a/src/tally_header.F90 b/src/tally_header.F90
index 29e21c9d91..6948d943d1 100644
--- a/src/tally_header.F90
+++ b/src/tally_header.F90
@@ -40,7 +40,6 @@ module tally_header
 
   type TallyScore
      integer :: n_events = 0
-     integer :: n_realizations = 0
      real(8) :: value    = 0.
      real(8) :: sum      = 0.
      real(8) :: sum_sq   = 0.