diff --git a/src/modules/symba_classes.f90 b/src/modules/symba_classes.f90
index c60b2a838..ee032c7f3 100644
--- a/src/modules/symba_classes.f90
+++ b/src/modules/symba_classes.f90
@@ -142,6 +142,7 @@ module symba_classes
    !> SyMBA class for tracking pl-pl close encounters in a step
    type, extends(symba_pltpenc) :: symba_plplenc
    contains
+      procedure :: scrub_non_collision => symba_collision_encounter_scrub !! Processes the pl-pl encounter list remove only those encounters that led to a collisio
    end type symba_plplenc
 
    !********************************************************************************************************************************
@@ -175,6 +176,13 @@ module subroutine symba_collision_check_pltpenc(self, system, param, t, dt, irec
          integer(I4B),               intent(in)    :: irec   !! Current recursion level
       end subroutine symba_collision_check_pltpenc
 
+      module subroutine symba_collision_encounter_scrub(self, system, param)
+         implicit none
+         class(symba_plplenc),       intent(inout) :: self   !! SyMBA pl-pl encounter list
+         class(symba_nbody_system),  intent(inout) :: system !! SyMBA nbody system object
+         class(swiftest_parameters), intent(in)    :: param  !! Current run configuration parameterss
+      end subroutine
+
       module subroutine symba_collision_make_family_pl(self,idx)
          implicit none
          class(symba_pl),            intent(inout) :: self !! SyMBA massive body object
@@ -259,7 +267,7 @@ end subroutine symba_io_dump_particle_info
    
       module subroutine symba_io_param_reader(self, unit, iotype, v_list, iostat, iomsg) 
          implicit none
-         class(symba_parameters), intent(inout) :: self       !! Collection of parameters
+         class(symba_parameters), intent(inout) :: self       !! Collection of SyMBA parameters
          integer,                 intent(in)    :: unit       !! File unit number
          character(len=*),        intent(in)    :: iotype     !! Dummy argument passed to the  input/output procedure contains the text from the char-literal-constant, prefixed with DT. 
                                                               !!    If you do not include a char-literal-constant, the iotype argument contains only DT.
diff --git a/src/symba/symba_collision.f90 b/src/symba/symba_collision.f90
index 66aa1ef30..5cc886485 100644
--- a/src/symba/symba_collision.f90
+++ b/src/symba/symba_collision.f90
@@ -204,4 +204,20 @@ module subroutine symba_collision_make_family_pl(self, idx)
       return
    end subroutine symba_collision_make_family_pl
 
+   module subroutine symba_collision_encounter_scrub(self, system, param)
+      !! author: David A. Minton
+      !! 
+      !! Processes the pl-pl encounter list remove only those encounters that led to a collision
+      !!
+      implicit none
+      ! Arguments
+      class(symba_plplenc),       intent(inout) :: self   !! SyMBA pl-pl encounter list
+      class(symba_nbody_system),  intent(inout) :: system !! SyMBA nbody system object
+      class(swiftest_parameters), intent(in)    :: param  !! Current run configuration parameters
+      ! Internals
+
+      return
+   end subroutine
+
+
 end submodule s_symba_collision
\ No newline at end of file
diff --git a/src/symba/symba_discard.f90 b/src/symba/symba_discard.f90
index a84e158d3..f5e397548 100644
--- a/src/symba/symba_discard.f90
+++ b/src/symba/symba_discard.f90
@@ -144,15 +144,11 @@ module subroutine symba_discard_pl(self, system, param)
       class(symba_pl),              intent(inout) :: self   !! SyMBA test particle object
       class(swiftest_nbody_system), intent(inout) :: system !! Swiftest nbody system object
       class(swiftest_parameters),   intent(in)    :: param  !! Current run configuration parameters 
-    
-      call symba_discard_nonplpl(self, system, param)
-
-      select type(param)
-      class is (symba_parameters)
-         if (param%lfragmentation) then
-
-         end if
-
+   
+      select type(system)
+      class is (symba_nbody_system)
+         call symba_discard_nonplpl(self, system, param)
+         call system%plplenc_list%scrub_non_collision(system, param)
       end select
 
       return