diff --git a/sc2/build/unix_installer/install.sh.in b/sc2/build/unix_installer/install.sh.in
index 00ae1f2a3..652885d13 100644
--- a/sc2/build/unix_installer/install.sh.in
+++ b/sc2/build/unix_installer/install.sh.in
@@ -240,7 +240,6 @@ echo "Unpacking packages..."
 for COMPFILE in `selected_components`; do
 	echo "- $COMPFILE"
 	unzip -od "$PREFIX" "$COMPFILE"
-	gzip -dc "$COMPFILE" | tar -xf - -C "$PREFIX"/
 done
 
 echo "Unpacking other stuff..."