diff --git a/installation/mods_Abaqus/abaqus_v6.env b/installation/mods_Abaqus/abaqus_v6.env
index 80e886840..85381130a 100644
--- a/installation/mods_Abaqus/abaqus_v6.env
+++ b/installation/mods_Abaqus/abaqus_v6.env
@@ -29,7 +29,6 @@ else:
     fortCmd = fortCompiler
 
 # "-free"         to use free-format FORTRAN 90 syntax
-# "-heap-arrays"  increase heap size
 # "-O3"           maximum optimization level
 # "-fpp"          use FORTRAN preprocessor on source code
 # "-openmp"       build with openMP support