diff --git a/fortran/fortranCtypes/sizes.c b/fortran/fortranCtypes/sizes.c
index 913437fb6..63f4e5ba8 100644
--- a/fortran/fortranCtypes/sizes.c
+++ b/fortran/fortranCtypes/sizes.c
@@ -5,41 +5,40 @@ void grib_check_fortran_char(char* a) {
   *a='f';
 }
 void grib_check_fortran_char_(char* a) {grib_check_fortran_char(a);}
-void grib_check_fortran_char__(char* a) {grib_check_fortran_char(a);}
+
 
 void check_double(double *x,double *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_double_(double *x,double *y,char* ret) {check_double(x,y,ret);}
-void check_double__(double *x,double *y,char* ret) {check_double(x,y,ret);}
+
 
 void check_float(float *x,float *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_float_(float *x,float *y,char* ret) { check_float(x,y,ret); }
-void check_float__(float *x,float *y,char* ret) { check_float(x,y,ret); }
+
 
 void check_int(int *x,int *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_int_(int *x,int *y,char* ret) { check_int(x,y,ret); }
-void check_int__(int *x,int *y,char* ret) { check_int(x,y,ret); }
+
 
 void check_long(long *x,long *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_long_(long *x,long *y,char* ret) {check_long(x,y,ret);}
-void check_long__(long *x,long *y,char* ret) {check_long(x,y,ret);}
+
 
 void check_size_t(size_t *x,size_t *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_size_t_(size_t *x,size_t *y,char* ret) {check_size_t(x,y,ret);}
-void check_size_t__(size_t *x,size_t *y,char* ret) {check_size_t(x,y,ret);}
+
 
 void check_long_long(long long *x,long long *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_long_long_(long long *x,long long *y,char* ret) {check_long_long(x,y,ret);}
-void check_long_long__(long long *x,long long *y,char* ret) {check_long_long(x,y,ret);}
 
diff --git a/fortran/grib_fortran_kinds.c b/fortran/grib_fortran_kinds.c
index 413a0d164..485194455 100644
--- a/fortran/grib_fortran_kinds.c
+++ b/fortran/grib_fortran_kinds.c
@@ -14,45 +14,41 @@
 extern "C" {
 #endif
 
-void f_sizeof(void *x,void *y, int *size) {
-  *size=((char*)y)-((char*)x);
-}
+
 void f_sizeof_(void *x,void *y, int *size) {
   *size=((char*)y)-((char*)x);
 }
-void f_sizeof__(void *x,void *y, int *size) {
-  *size=((char*)y)-((char*)x);
-}
+
 
 void check_double(double *x,double *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_double_(double *x,double *y,char* ret) {check_double(x,y,ret);}
-void check_double__(double *x,double *y,char* ret) {check_double(x,y,ret);}
+
 
 void check_float(float *x,float *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_float_(float *x,float *y,char* ret) { check_float(x,y,ret); }
-void check_float__(float *x,float *y,char* ret) { check_float(x,y,ret); }
+
 
 void check_int(int *x,int *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_int_(int *x,int *y,char* ret) { check_int(x,y,ret); }
-void check_int__(int *x,int *y,char* ret) { check_int(x,y,ret); }
+
 
 void check_long(long *x,long *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_long_(long *x,long *y,char* ret) {check_long(x,y,ret);}
-void check_long__(long *x,long *y,char* ret) {check_long(x,y,ret);}
+
 
 void check_size_t(size_t *x,size_t *y,char* ret) {
   *ret = ((char*)y)-((char*)x) == sizeof(*x) ?  't' : 'f';
 }
 void check_size_t_(size_t *x,size_t *y,char* ret) {check_size_t(x,y,ret);}
-void check_size_t__(size_t *x,size_t *y,char* ret) {check_size_t(x,y,ret);}
+
 
 #ifdef __cplusplus
 }