diff --git a/grudge/geometry/__init__.py b/grudge/geometry/__init__.py
index f5d058ad5be789b46a706e6fd06262a6deb13860..c5a83ba531f6bcf52371befc11c0401a4474df23 100644
--- a/grudge/geometry/__init__.py
+++ b/grudge/geometry/__init__.py
@@ -1,2 +1,31 @@
+__copyright__ = """
+Copyright (C) 2021 University of Illinois Board of Trustees
+"""
 
-from grudge.geometry.metrics import *
+__license__ = """
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+"""
+
+
+from grudge.geometry.metrics import (
+    forward_metric_derivative_mat,
+    inverse_metric_derivative_mat,
+    inverse_surface_metric_derivative,
+    area_element
+)
diff --git a/grudge/geometry/metrics.py b/grudge/geometry/metrics.py
index 4e7b07ff3c6a1161a4194ce8f7b5b16c299c2a15..c4f66da2aa9743e89c5992b053a01d85a9e889d4 100644
--- a/grudge/geometry/metrics.py
+++ b/grudge/geometry/metrics.py
@@ -1,3 +1,27 @@
+__copyright__ = """
+Copyright (C) 2021 University of Illinois Board of Trustees
+"""
+
+__license__ = """
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+"""
+
 
 import numpy as np
 
@@ -168,9 +192,7 @@ def inverse_metric_derivative(actx, dcoll, rst_axis, xyz_axis, dd):
         for rst_axis in range(dim)
     ).inv()
 
-    # NOTE: this always produces a DOFArray of shape (1,).
-    # the thing we want is actually inside
-    result, = (outprod_with_unit(xyz_axis, rst_axis)
+    result = (outprod_with_unit(xyz_axis, rst_axis)
               * volume_pseudoscalar_inv).as_scalar()
 
     return result