diff --git a/raster/r.sim/simlib/utils.c b/raster/r.sim/simlib/utils.c
index 4f2dae3404a..32aa2f7ca82 100644
--- a/raster/r.sim/simlib/utils.c
+++ b/raster/r.sim/simlib/utils.c
@@ -29,32 +29,3 @@ double amin1(double arg1, double arg2)
 
     return res;
 }
-
-int min(int arg1, int arg2)
-{
-    int res;
-
-    if (arg1 <= arg2) {
-	res = arg1;
-    }
-    else {
-	res = arg2;
-    }
-
-    return res;
-}
-
-int max(int arg1, int arg2)
-{
-    int res;
-
-    if (arg1 >= arg2) {
-	res = arg1;
-    }
-    else {
-	res = arg2;
-    }
-
-    return res;
-}
-
diff --git a/raster/r.sim/simlib/waterglobs.h b/raster/r.sim/simlib/waterglobs.h
index aece1fa582e..09f937b28aa 100644
--- a/raster/r.sim/simlib/waterglobs.h
+++ b/raster/r.sim/simlib/waterglobs.h
@@ -76,8 +76,6 @@ extern double gasdev(void);
 extern void gasdev_for_paralel(double *, double *);
 extern double amax1(double, double);
 extern double amin1(double, double);
-extern int min(int, int);
-extern int max(int, int);
 extern void create_observation_points();
 
 extern double xmin, ymin, xmax, ymax;