diff --git a/pkg/front_end/tool/fasta b/pkg/front_end/tool/fasta
index 1a3d971bf22..48d4b7e9113 100755
--- a/pkg/front_end/tool/fasta
+++ b/pkg/front_end/tool/fasta
@@ -21,8 +21,6 @@ function stop {
   exit 2
 }
 
-export DART_CONFIGURATION=${DART_CONFIGURATION:-ReleaseX64}
-
 EXTRA_VM_ARGS=()
 
 while [[ "$1" == -* ]]; do