diff --git a/src/cutils_bgl.c b/src/cutils_bgl.c
deleted file mode 100644
index a9a4169..0000000
--- a/src/cutils_bgl.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/**
- * @file cutils_bgl.c
- *
- * @brief Utilities C functions.
- *
- * @copyright
- * Copyright (©) 2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
- * SPC (Swiss Plasma Center)
- *
- * futils is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
- *
- * futils is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- * @authors
- * (in alphabetical order)
- * @author Stephan Brunner <stephan.brunner@epfl.ch>
- * @author Ben McMillan <B.F.McMillan@warwick.ac.uk>
- * @author Trach-Minh Tran <trach-minh.tran@epfl.ch>
- */
-#include <stdio.h>
-#include <string.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#include <sys/resource.h>
-#include <common/bgp_personality.h>
-#include <common/bgp_personality_inlines.h>
-#include <spi/kernel_interface.h>
-
-static _BGP_Personality_t mybgp;
-
-/* returns memory per core in MBytes */
-unsigned bg_coreMB() {
-    unsigned procMB, coreMB;
-    Kernel_GetPersonality(&mybgp, sizeof(_BGP_Personality_t));
-    procMB = BGP_Personality_DDRSizeMB(&mybgp);
-    coreMB = procMB/Kernel_ProcessCount();
-    return coreMB;
-}
-
-/* return maximum memory usage of process in kBytes */
-unsigned bg_usedKB() {
-    struct rusage usage;
-    if (getrusage(RUSAGE_SELF, &usage) != 0)
-	return 0;
-    return usage.ru_maxrss;
-}
-
-double mem_per_core(void)
-{
-    //  Return current memory usage in MB on BGP.
-
-  return ((double)bg_coreMB());
-}
-
-double mem(void)
-{
-
-  //*   return ((double)sbrk(0)/1024.0/1024.0);  on BGP
-
-  return ((double)bg_usedKB()/1024.0);
-}
-
-double second(void)
-{
-    // Return elapsed wall time in s.
-
-    struct timeval tp;
-    struct timezone tzp;
-    int i;
-    i = gettimeofday(&tp,&tzp);
-    return ( (double) tp.tv_sec + (double) tp.tv_usec * 1.e-6 );
-}
-
-double seconds(void)
-{
-    // Return elapsed wall time in s.
-
-    struct timeval tp;
-    struct timezone tzp;
-    int i;
-    i = gettimeofday(&tp,&tzp);
-    return ( (double) tp.tv_sec + (double) tp.tv_usec * 1.e-6 );
-}
-
-int fsize(const char *file, unsigned int l)
-{
-  //   Return size of file in bytes
-
-  struct stat buf;
-  stat( file, &buf);
-  return (int)buf.st_size;
-}
-
-void ftos(const char *file, int *s, char *buf)
-{
-  //   Put the content of file to a string
-
-  int fd, n;
-  fd = open(file, O_RDONLY);
-  n = read(fd, buf, (size_t)*s);
-  close(fd);
-}
-
-void stof(const char *file, int *s, char *buf)
-{
-  //   Write string to file
-
-  int fd, n;
-  fd = creat(file, 0644);
-  n = write(fd, buf, (size_t)*s);
-  close(fd);
-}
-
-void stostdout(int *s, char *buf)
-{
-  //   Write string to stdout
-
-  int n;
-  n = write(1, buf, (size_t)*s);
-}
-
-// Read in 1kb chunks in copy_file
-#define CHSIZE 1024
-
-void copy_file(char *infile, int *lengthin, char *outfile, int *lengthout) {
-
-  //  Copies a file from one location to another using fread, fwrite.
-
-  char buf[CHSIZE];
-  int  err, count=CHSIZE;
-
-  memcpy(buf,infile,CHSIZE*sizeof(char));
-  buf[*lengthin <CHSIZE ? *lengthin  : CHSIZE-1]   = '\0';
-  FILE *in  = fopen(buf, "rb");
-  if (in == NULL) {
-      printf("could not open infile\n");
-      return;
-  }
-  memcpy(buf,outfile,CHSIZE*sizeof(char));
-  buf[*lengthout<CHSIZE ? *lengthout : CHSIZE-1]   = '\0';
-  FILE *out = fopen(buf,"wb");
-  if (out == NULL) {
-      fclose(in);
-      printf("could not open outfile\n");
-      return;
-  }
-
-  while (1) {
-      err = fread(buf,sizeof(char),count,in);
-      fwrite(buf,sizeof(char),err,out);
-      if (err!=count) break;
-  }
-
-  fclose(in);
-  fclose(out);
-}
-
-void move_file(char *infile, int *lengthin, char *outfile, int *lengthout) {
-
-  //  Moves a file from one location to another using copy_file_ and
-  //  unlink (man 2 unlink)
-
-    char buf[CHSIZE];
-
-    copy_file(infile, lengthin, outfile, lengthout);
-
-    memcpy(buf, infile,CHSIZE*sizeof(char));
-    buf[*lengthin <CHSIZE ? *lengthin  : CHSIZE-1]   = '\0';
-    if( unlink(buf) == -1 ){
-	fprintf(stderr, "%s: removing %s\n", strerror(errno), buf);
-    }
-
-}
diff --git a/src/cutils_bgq.c b/src/cutils_bgq.c
deleted file mode 100644
index 767708f..0000000
--- a/src/cutils_bgq.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/**
- * @file cutils_bgq.c
- *
- * @brief Utilities C functions.
- *
- * @copyright
- * Copyright (©) 2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
- * SPC (Swiss Plasma Center)
- *
- * futils is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
- *
- * futils is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- * @authors
- * (in alphabetical order)
- * @author Sébastien Jolliet <sebastien.jolliet@epfl.ch>
- */
-#include <stdio.h>
-#include <string.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-
-//#include <sys/resource.h>
-//#include <common/bgp_personality.h>
-//#include <common/bgp_personality_inlines.h>
-//#include <spi/kernel_interface.h>
-
-//static _BGP_Personality_t mybgp;
-
-/* returns memory per core in MBytes */
-//unsigned bg_coreMB() {
-//    unsigned procMB, coreMB;
-//    Kernel_GetPersonality(&mybgp, sizeof(_BGP_Personality_t));
-//    procMB = BGP_Personality_DDRSizeMB(&mybgp);
-//    coreMB = procMB/Kernel_ProcessCount();
-//    return coreMB;
-//}
-
-/* return maximum memory usage of process in kBytes */
-//unsigned bg_usedKB() {
-//    struct rusage usage;
-//    if (getrusage(RUSAGE_SELF, &usage) != )
-//	return 0;
-//    return usage.ru_maxrss;
-//}
-
-double mem_per_core(void)
-{
-    //  Return current memory usage in MB on BGP.
-
-  return (0);
-}
-
-double mem(void)
-{
-
-  //*   return ((double)sbrk(0)/1024.0/1024.0);  on BGP
-
-  return (0);
-}
-
-double second(void)
-{
-    // Return elapsed wall time in s.
-
-    struct timeval tp;
-    struct timezone tzp;
-    int i;
-    i = gettimeofday(&tp,&tzp);
-    return ( (double) tp.tv_sec + (double) tp.tv_usec * 1.e-6 );
-}
-
-double seconds(void)
-{
-    // Return elapsed wall time in s.
-
-    struct timeval tp;
-    struct timezone tzp;
-    int i;
-    i = gettimeofday(&tp,&tzp);
-    return ( (double) tp.tv_sec + (double) tp.tv_usec * 1.e-6 );
-}
-
-int fsize(const char *file, unsigned int l)
-{
-  //   Return size of file in bytes
-
-  struct stat buf;
-  stat( file, &buf);
-  return (int)buf.st_size;
-}
-
-void ftos(const char *file, int *s, char *buf)
-{
-  //   Put the content of file to a string
-
-  int fd, n;
-  fd = open(file, O_RDONLY);
-  n = read(fd, buf, (size_t)*s);
-  close(fd);
-}
-
-void stof(const char *file, int *s, char *buf)
-{
-  //   Write string to file
-
-  int fd, n;
-  fd = creat(file, 0644);
-  n = write(fd, buf, (size_t)*s);
-  close(fd);
-}
-
-void stostdout(int *s, char *buf)
-{
-  //   Write string to stdout
-
-  int n;
-  n = write(1, buf, (size_t)*s);
-}
-
-// Read in 1kb chunks in copy_file
-#define CHSIZE 1024
-
-void copy_file(char *infile, int *lengthin, char *outfile, int *lengthout) {
-
-  //  Copies a file from one location to another using fread, fwrite.
-
-  char buf[CHSIZE];
-  int  err, count=CHSIZE;
-
-  memcpy(buf,infile,CHSIZE*sizeof(char));
-  buf[*lengthin <CHSIZE ? *lengthin  : CHSIZE-1]   = '\0';
-  FILE *in  = fopen(buf, "rb");
-  if (in == NULL) {
-      printf("could not open infile\n");
-      return;
-  }
-  memcpy(buf,outfile,CHSIZE*sizeof(char));
-  buf[*lengthout<CHSIZE ? *lengthout : CHSIZE-1]   = '\0';
-  FILE *out = fopen(buf,"wb");
-  if (out == NULL) {
-      fclose(in);
-      printf("could not open outfile\n");
-      return;
-  }
-
-  while (1) {
-      err = fread(buf,sizeof(char),count,in);
-      fwrite(buf,sizeof(char),err,out);
-      if (err!=count) break;
-  }
-
-  fclose(in);
-  fclose(out);
-}
-
-void move_file(char *infile, int *lengthin, char *outfile, int *lengthout) {
-
-  //  Moves a file from one location to another using copy_file_ and
-  //  unlink (man 2 unlink)
-
-    char buf[CHSIZE];
-
-    copy_file(infile, lengthin, outfile, lengthout);
-
-    memcpy(buf, infile,CHSIZE*sizeof(char));
-    buf[*lengthin <CHSIZE ? *lengthin  : CHSIZE-1]   = '\0';
-    if( unlink(buf) == -1 ){
-	fprintf(stderr, "%s: removing %s\n", strerror(errno), buf);
-    }
-
-}