diff --git a/au/constant.hh b/au/constant.hh
index 7d4d5325..4f4b03ac 100644
--- a/au/constant.hh
+++ b/au/constant.hh
@@ -40,8 +40,6 @@ struct Constant : detail::MakesQuantityFromNumber<Constant, Unit>,
                   detail::ComposesWith<Constant, Unit, Constant, Constant>,
                   detail::ComposesWith<Constant, Unit, QuantityMaker, QuantityMaker>,
                   detail::ComposesWith<Constant, Unit, SingularNameFor, SingularNameFor>,
-                  detail::ForbidsComposingWith<Constant, Unit, QuantityPointMaker>,
-                  detail::ForbidsComposingWith<Constant, Unit, QuantityPoint>,
                   detail::CanScaleByMagnitude<Constant, Unit> {
     // Convert this constant to a Quantity of the given rep.
     template <typename T>
diff --git a/au/wrapper_operations.hh b/au/wrapper_operations.hh
index b6b2c472..62bd25f6 100644
--- a/au/wrapper_operations.hh
+++ b/au/wrapper_operations.hh
@@ -217,30 +217,5 @@ struct CanScaleByMagnitude {
     }
 };
 
-//
-// A mixin to explicitly delete operations that we want to forbid.
-//
-template <template <typename U> class UnitWrapper,
-          typename Unit,
-          template <typename... Us>
-          class OtherWrapper>
-struct ForbidsComposingWith {
-    // (W * O), for wrapper W and wrapper O.
-    template <typename... Us>
-    friend constexpr void operator*(UnitWrapper<Unit>, OtherWrapper<Us...>) = delete;
-
-    // (W / O), for wrapper W and wrapper O.
-    template <typename... Us>
-    friend constexpr void operator/(UnitWrapper<Unit>, OtherWrapper<Us...>) = delete;
-
-    // (O * W), for wrapper W and wrapper O.
-    template <typename... Us>
-    friend constexpr void operator*(OtherWrapper<Us...>, UnitWrapper<Unit>) = delete;
-
-    // (O / W), for wrapper W and wrapper O.
-    template <typename... Us>
-    friend constexpr void operator/(OtherWrapper<Us...>, UnitWrapper<Unit>) = delete;
-};
-
 }  // namespace detail
 }  // namespace au
diff --git a/au/wrapper_operations_test.cc b/au/wrapper_operations_test.cc
index 190d0aae..cac07e08 100644
--- a/au/wrapper_operations_test.cc
+++ b/au/wrapper_operations_test.cc
@@ -31,8 +31,6 @@ struct UnitWrapper : MakesQuantityFromNumber<UnitWrapper, Unit>,
                      ScalesQuantity<UnitWrapper, Unit>,
                      ComposesWith<UnitWrapper, Unit, UnitWrapper, UnitWrapper>,
                      ComposesWith<UnitWrapper, Unit, QuantityMaker, QuantityMaker>,
-                     ForbidsComposingWith<UnitWrapper, Unit, QuantityPointMaker>,
-                     ForbidsComposingWith<UnitWrapper, Unit, QuantityPoint>,
                      CanScaleByMagnitude<UnitWrapper, Unit> {};
 
 TEST(MakesQuantityFromNumber, MakesQuantityWhenPostMultiplyingNumericValue) {