diff --git a/ldt/arch/Config.pl b/ldt/arch/Config.pl
index 65688a54a..2ddc9eee0 100755
--- a/ldt/arch/Config.pl
+++ b/ldt/arch/Config.pl
@@ -134,7 +134,7 @@
     }
     elsif($sys_arch eq "Darwin_gfortran" || $sys_arch eq "linux_gfortran") {
 	$sys_opt = "-g -Wall -Wcharacter-truncation";
-	$sys_opt .= " -Wconversion-extra -Wextra -Wpedantic -Wrealloc-lhs";
+	$sys_opt .= " -Wconversion-extra -Wextra -Wrealloc-lhs";
 	$sys_opt .= " -Wrealloc-lhs-all";
 	# Run-time options
 	$sys_opt .= " -ffpe-trap=invalid,zero,overflow";
diff --git a/lis/arch/Config.pl b/lis/arch/Config.pl
index 1d954cc1e..b4bed04b1 100755
--- a/lis/arch/Config.pl
+++ b/lis/arch/Config.pl
@@ -190,7 +190,7 @@
       #print "Using '-g'\n";
       #$sys_opt = "-g";
       $sys_opt = "-g -Wall -Wcharacter-truncation";
-      $sys_opt .= " -Wconversion-extra -Wextra -Wpedantic -Wrealloc-lhs";
+      $sys_opt .= " -Wconversion-extra -Wextra -Wrealloc-lhs";
       $sys_opt .= " -Wrealloc-lhs-all";
       # Run-time options
       $sys_opt .= " -ffpe-trap=invalid,zero,overflow";
diff --git a/lvt/arch/Config.pl b/lvt/arch/Config.pl
index 166737848..c912a9a3e 100755
--- a/lvt/arch/Config.pl
+++ b/lvt/arch/Config.pl
@@ -116,7 +116,7 @@
     }
     elsif($sys_arch eq "Darwin_gfortran" || $sys_arch eq "linux_gfortran") {
 	$sys_opt = "-g -Wall -Wcharacter-truncation";
-	$sys_opt .= " -Wconversion-extra -Wextra -Wpedantic -Wrealloc-lhs";
+	$sys_opt .= " -Wconversion-extra -Wextra -Wrealloc-lhs";
 	$sys_opt .= " -Wrealloc-lhs-all";
 	# Run-time options
 	$sys_opt .= " -ffpe-trap=invalid,zero,overflow";