diff --git a/src/makefile b/src/makefile
index 148b3517f839d4e5cd94eb90762e19682db5a652..c2b1f4eeab0d4494ec5b7eec11aa0e075d3326f4 100644
--- a/src/makefile
+++ b/src/makefile
@@ -15,7 +15,7 @@ INC =
 # gcc:
 CMP = mpifort
 #O3: optimization
-FLAGS   = -O3 -mcmodel=medium -pg
+FLAGS   = -O3 -mcmodel=medium 
 #debugging:
 #FLAGS   = -g3 -O0 -fbounds-check -mcmodel=medium -fimplicit-none -fcheck=all -fbacktrace -floop-nest-optimize -ffpe-trap=invalid,zero,overflow -Wconversion -fno-tree-vectorize
 FFLAGS  = -c $(FLAGS)