diff --git a/lib/meam/Makefile b/lib/meam/Makefile
index 7997be14dd..afd926ec51 100755
--- a/lib/meam/Makefile
+++ b/lib/meam/Makefile
@@ -11,7 +11,7 @@ SHELL = /bin/sh
 
 # ------ FILES ------
 
-SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F
+SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F meam_cleanup.F
 
 FILES = $(SRC) Makefile 
 
@@ -23,7 +23,7 @@ OBJ =   $(SRC:.F=.o)
 # ------ SETTINGS ------
 
 F90 =           gfortran
-F90FLAGS =      -g -fno-second-underscore
+F90FLAGS =      -O -fno-second-underscore
 #F90FLAGS =      -O 
 ARCHIVE =	ar
 ARCHFLAG =	-rc
diff --git a/lib/meam/Makefile.g95 b/lib/meam/Makefile.g95
index 0125e4183d..338321e4f5 100644
--- a/lib/meam/Makefile.g95
+++ b/lib/meam/Makefile.g95
@@ -11,7 +11,7 @@ SHELL = /bin/sh
 
 # ------ FILES ------
 
-SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F
+SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F meam_cleanup.F
 
 FILES = $(SRC) Makefile 
 
diff --git a/lib/meam/Makefile.gfortran b/lib/meam/Makefile.gfortran
index 7997be14dd..afd926ec51 100644
--- a/lib/meam/Makefile.gfortran
+++ b/lib/meam/Makefile.gfortran
@@ -11,7 +11,7 @@ SHELL = /bin/sh
 
 # ------ FILES ------
 
-SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F
+SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F meam_cleanup.F
 
 FILES = $(SRC) Makefile 
 
@@ -23,7 +23,7 @@ OBJ =   $(SRC:.F=.o)
 # ------ SETTINGS ------
 
 F90 =           gfortran
-F90FLAGS =      -g -fno-second-underscore
+F90FLAGS =      -O -fno-second-underscore
 #F90FLAGS =      -O 
 ARCHIVE =	ar
 ARCHFLAG =	-rc
diff --git a/lib/meam/Makefile.ifort b/lib/meam/Makefile.ifort
index 66807b817d..cbf961dd6c 100644
--- a/lib/meam/Makefile.ifort
+++ b/lib/meam/Makefile.ifort
@@ -11,7 +11,7 @@ SHELL = /bin/sh
 
 # ------ FILES ------
 
-SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F
+SRC = meam_data.F meam_setup_done.F meam_setup_global.F meam_setup_param.F meam_dens_init.F meam_dens_final.F meam_force.F meam_cleanup.F
 
 FILES = $(SRC) Makefile 
 
diff --git a/lib/meam/meam_cleanup.F b/lib/meam/meam_cleanup.F
new file mode 100644
index 0000000000..dce0c6469e
--- /dev/null
+++ b/lib/meam/meam_cleanup.F
@@ -0,0 +1,26 @@
+c Declaration in pair_meam.h:
+c
+c void meam_cleanup()
+c
+c Call from PairMEAM destructor
+c
+c meam_cleanup()
+c
+
+      subroutine meam_cleanup
+      use meam_data
+      implicit none
+
+      integer dealloc_error
+
+      deallocate(phir,STAT=dealloc_error)
+      deallocate(phirar,STAT=dealloc_error)
+      deallocate(phirar1,STAT=dealloc_error)
+      deallocate(phirar2,STAT=dealloc_error)
+      deallocate(phirar3,STAT=dealloc_error)
+      deallocate(phirar4,STAT=dealloc_error)
+      deallocate(phirar5,STAT=dealloc_error)
+      deallocate(phirar6,STAT=dealloc_error)
+
+      return
+      end