diff --git a/openmc/statepoint.py b/openmc/statepoint.py
index 329d3e41de..9f485619dd 100644
--- a/openmc/statepoint.py
+++ b/openmc/statepoint.py
@@ -504,16 +504,6 @@ class StatePoint(object):
         This routine searches the list of Tallies and returns the first Tally
         found which satisfies all of the input parameters.
 
-        If the "exactness" parameter is 0 (default), the input parameters
-        do not need to match the complete Tally specification and may only
-        represent a subset of the Tally's properties. If the "exactness"
-        parameter is 1 then the length of the scores, filters, nuclides
-        parameters must precisely match those of any matching Tally, but the
-        filter bins may represent a subset of those in any matching Tally
-        (useful if tallies are merged in the input). If the "exactness"
-        parameter is 2 then the values of the scores, nuclides and filters
-        parameters must precisely match those of any matching Tally.
-
         NOTE: If any of the "exact" parameters are False (default), the input
         parameters do not need to match the complete Tally specification and
         may only represent a subset of the Tally's properties. If an "exact"
diff --git a/openmc/tallies.py b/openmc/tallies.py
index 641b6c26c0..9559adcade 100644
--- a/openmc/tallies.py
+++ b/openmc/tallies.py
@@ -762,8 +762,6 @@ class Tally(object):
 
                 # If filters are the second mergeable filters encountered
                 elif filter1.can_merge(filter2) and merge_filters:
-                    merge_filters = True
-                    mergeable_filter = True
                     return False
 
             # If no mergeable filter was found, the tallies are not mergeable