diff --git a/docs/source/releasenotes/notes_0.4.4.rst b/docs/source/releasenotes/notes_0.4.4.rst
index 367efc8adc..665ad29740 100644
--- a/docs/source/releasenotes/notes_0.4.4.rst
+++ b/docs/source/releasenotes/notes_0.4.4.rst
@@ -21,6 +21,8 @@ the problem at hand (mostly on the number of nuclides in the problem).
 New Features
 ------------
 
+- Option to specify <upper_right> for tally meshes.
+
 ---------
 Bug Fixes
 ---------
diff --git a/src/bank_header.F90 b/src/bank_header.F90
index 10c803d60a..ebf9c26e7c 100644
--- a/src/bank_header.F90
+++ b/src/bank_header.F90
@@ -14,7 +14,6 @@ module bank_header
      ! sites are sent from one processor to another.
      sequence
 
-     integer(8) :: id     ! Unique ID
      real(8)    :: wgt    ! weight of bank site
      real(8)    :: xyz(3) ! location of bank particle
      real(8)    :: uvw(3) ! diretional cosines
diff --git a/src/initialize.F90 b/src/initialize.F90
index 6188d6dfb6..e76b8fcd40 100644
--- a/src/initialize.F90
+++ b/src/initialize.F90
@@ -159,9 +159,9 @@ contains
   subroutine setup_mpi()
 
 #ifdef MPI
-    integer        :: bank_blocks(5) ! Count for each datatype
-    integer        :: bank_types(5)  ! Datatypes
-    integer(MPI_ADDRESS_KIND) :: bank_disp(5)   ! Displacements
+    integer        :: bank_blocks(4) ! Count for each datatype
+    integer        :: bank_types(4)  ! Datatypes
+    integer(MPI_ADDRESS_KIND) :: bank_disp(4)   ! Displacements
     type(Bank)     :: b
 
     mpi_enabled = .true.
@@ -195,19 +195,18 @@ contains
     end if
 
     ! Determine displacements for MPI_BANK type
-    call MPI_GET_ADDRESS(b % id,  bank_disp(1), mpi_err)
-    call MPI_GET_ADDRESS(b % wgt, bank_disp(2), mpi_err)
-    call MPI_GET_ADDRESS(b % xyz, bank_disp(3), mpi_err)
-    call MPI_GET_ADDRESS(b % uvw, bank_disp(4), mpi_err)
-    call MPI_GET_ADDRESS(b % E,   bank_disp(5), mpi_err)
+    call MPI_GET_ADDRESS(b % wgt, bank_disp(1), mpi_err)
+    call MPI_GET_ADDRESS(b % xyz, bank_disp(2), mpi_err)
+    call MPI_GET_ADDRESS(b % uvw, bank_disp(3), mpi_err)
+    call MPI_GET_ADDRESS(b % E,   bank_disp(4), mpi_err)
 
     ! Adjust displacements 
     bank_disp = bank_disp - bank_disp(1)
     
     ! Define MPI_BANK for fission sites
-    bank_blocks = (/ 1, 1, 3, 3, 1 /)
-    bank_types = (/ MPI_INTEGER8, MPI_REAL8, MPI_REAL8, MPI_REAL8, MPI_REAL8 /)
-    call MPI_TYPE_CREATE_STRUCT(5, bank_blocks, bank_disp, & 
+    bank_blocks = (/ 1, 3, 3, 1 /)
+    bank_types = (/ MPI_REAL8, MPI_REAL8, MPI_REAL8, MPI_REAL8 /)
+    call MPI_TYPE_CREATE_STRUCT(4, bank_blocks, bank_disp, & 
          bank_types, MPI_BANK, mpi_err)
     call MPI_TYPE_COMMIT(MPI_BANK, mpi_err)
 
diff --git a/src/physics.F90 b/src/physics.F90
index 39180bed7b..008263fe87 100644
--- a/src/physics.F90
+++ b/src/physics.F90
@@ -913,7 +913,6 @@ contains
     if (nu == 0 .or. n_bank == 3*work) return
     do i = int(n_bank,4) + 1, int(min(n_bank + nu, 3*work),4)
        ! Bank source neutrons by copying particle data
-       fission_bank(i) % id  = p % id
        fission_bank(i) % xyz = p % coord0 % xyz
 
        ! Set weight of fission bank site
diff --git a/src/source.F90 b/src/source.F90
index f5e68d93d8..c093c88aa1 100644
--- a/src/source.F90
+++ b/src/source.F90
@@ -45,14 +45,8 @@ contains
           ! Get pointer to source bank site
           src => source_bank(i)
 
-          ! Set ID of source bank site
-          id = bank_first + i - 1
-          src % id = id
-
-          ! Set weight to one
-          src % wgt = ONE
-
           ! initialize random number seed
+          id = bank_first + i - 1
           call set_particle_seed(id)
 
           ! sample external source distribution
diff --git a/src/utils/read_source.py b/src/utils/read_source.py
index ab7ce73ea0..0984209127 100755
--- a/src/utils/read_source.py
+++ b/src/utils/read_source.py
@@ -15,7 +15,6 @@ class SourceFile(object):
 
         for i in range(self.n_sites):
             # Read position, angle, and energy
-            (uid,) = struct.unpack('q', self.f.read(8))
             (weight,) = struct.unpack('d', self.f.read(8))
             xyz = struct.unpack('3d', self.f.read(24))
             uvw = struct.unpack('3d', self.f.read(24))