diff --git a/conf/layer.conf b/conf/layer.conf
index 95c5d0c..7effa71 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -54,6 +54,3 @@ QT_COMMERCIAL_GIT ?= "git://codereview.qt-project.org"
 QT_COMMERCIAL_GIT_PROTOCOL ?= "ssh"
 
 QT_COMMERCIAL_MODULES ?= "0"
-
-# License mapping back to old license files
-SPDXLICENSEMAP[GFDL-1.3-no-invariants-only] = "GFDL-1.3"