diff --git a/src/Magnum/Trade/SceneData.cpp b/src/Magnum/Trade/SceneData.cpp
index 3ebbac9ca..29b4ad022 100644
--- a/src/Magnum/Trade/SceneData.cpp
+++ b/src/Magnum/Trade/SceneData.cpp
@@ -531,6 +531,38 @@ SceneFieldData::SceneFieldData(const SceneField name, const Containers::StridedA
     CORRADE_ASSERT(fieldData.isContiguous<1>(), "Trade::SceneFieldData: second field view dimension is not contiguous", );
 }
 
+Containers::StridedArrayView1D<const void> SceneFieldData::mappingData() const {
+    CORRADE_ASSERT(!(_flags & SceneFieldFlag::OffsetOnly),
+        "Trade::SceneFieldData::mappingData(): the field is offset-only, supply a data array", {});
+    return Containers::StridedArrayView1D<const void>{
+        /* We're *sure* the view is correct, so faking the view size */
+        /** @todo better ideas for the StridedArrayView API? */
+        {_mappingData.pointer, ~std::size_t{}}, _size, _mappingStride};
+}
+
+Containers::StridedArrayView1D<const void> SceneFieldData::mappingData(const Containers::ArrayView<const void> data) const {
+    return Containers::StridedArrayView1D<const void>{
+        /* We're *sure* the view is correct, so faking the view size */
+        /** @todo better ideas for the StridedArrayView API? */
+        data, _flags & SceneFieldFlag::OffsetOnly ? static_cast<const char*>(data.data()) + _mappingData.offset : _mappingData.pointer, _size, _mappingStride};
+}
+
+Containers::StridedArrayView1D<const void> SceneFieldData::fieldData() const {
+    CORRADE_ASSERT(!(_flags & SceneFieldFlag::OffsetOnly),
+        "Trade::SceneFieldData::fieldData(): the field is offset-only, supply a data array", {});
+    return Containers::StridedArrayView1D<const void>{
+        /* We're *sure* the view is correct, so faking the view size */
+        /** @todo better ideas for the StridedArrayView API? */
+        {_fieldData.pointer, ~std::size_t{}}, _size, _fieldStride};
+}
+
+Containers::StridedArrayView1D<const void> SceneFieldData::fieldData(const Containers::ArrayView<const void> data) const {
+    return Containers::StridedArrayView1D<const void>{
+        /* We're *sure* the view is correct, so faking the view size */
+        /** @todo better ideas for the StridedArrayView API? */
+        data, _flags & SceneFieldFlag::OffsetOnly ? static_cast<const char*>(data.data()) + _fieldData.offset : _fieldData.pointer, _size, _fieldStride};
+}
+
 Containers::Array<SceneFieldData> sceneFieldDataNonOwningArray(const Containers::ArrayView<const SceneFieldData> view) {
     return Containers::Array<SceneFieldData>{const_cast<SceneFieldData*>(view.data()), view.size(), Implementation::nonOwnedArrayDeleter};
 }
diff --git a/src/Magnum/Trade/SceneData.h b/src/Magnum/Trade/SceneData.h
index 9778c830a..536388b72 100644
--- a/src/Magnum/Trade/SceneData.h
+++ b/src/Magnum/Trade/SceneData.h
@@ -812,13 +812,7 @@ class MAGNUM_TRADE_EXPORT SceneFieldData {
          * overload instead.
          * @see @ref flags()
          */
-        constexpr Containers::StridedArrayView1D<const void> mappingData() const {
-            return Containers::StridedArrayView1D<const void>{
-                /* We're *sure* the view is correct, so faking the view size */
-                /** @todo better ideas for the StridedArrayView API? */
-                {_mappingData.pointer, ~std::size_t{}}, _size,
-                (CORRADE_CONSTEXPR_ASSERT(!(_flags & SceneFieldFlag::OffsetOnly), "Trade::SceneFieldData::mappingData(): the field is offset-only, supply a data array"), _mappingStride)};
-        }
+        Containers::StridedArrayView1D<const void> mappingData() const;
 
         /**
          * @brief Type-erased object mapping data for an offset-only field
@@ -827,12 +821,7 @@ class MAGNUM_TRADE_EXPORT SceneFieldData {
          * @p data parameter is ignored.
          * @see @ref flags(), @ref mappingData() const
          */
-        Containers::StridedArrayView1D<const void> mappingData(Containers::ArrayView<const void> data) const {
-            return Containers::StridedArrayView1D<const void>{
-                /* We're *sure* the view is correct, so faking the view size */
-                /** @todo better ideas for the StridedArrayView API? */
-                data, _flags & SceneFieldFlag::OffsetOnly ? reinterpret_cast<const char*>(data.data()) + _mappingData.offset : _mappingData.pointer, _size, _mappingStride};
-        }
+        Containers::StridedArrayView1D<const void> mappingData(Containers::ArrayView<const void> data) const;
 
         /** @brief Field type */
         constexpr SceneFieldType fieldType() const { return _fieldType; }
@@ -848,13 +837,7 @@ class MAGNUM_TRADE_EXPORT SceneFieldData {
          * overload instead.
          * @see @ref flags()
          */
-        constexpr Containers::StridedArrayView1D<const void> fieldData() const {
-            return Containers::StridedArrayView1D<const void>{
-                /* We're *sure* the view is correct, so faking the view size */
-                /** @todo better ideas for the StridedArrayView API? */
-                {_fieldData.pointer, ~std::size_t{}}, _size,
-                (CORRADE_CONSTEXPR_ASSERT(!(_flags & SceneFieldFlag::OffsetOnly), "Trade::SceneFieldData::fieldData(): the field is offset-only, supply a data array"), _fieldStride)};
-        }
+        Containers::StridedArrayView1D<const void> fieldData() const;
 
         /**
          * @brief Type-erased field data for an offset-only field
@@ -863,12 +846,7 @@ class MAGNUM_TRADE_EXPORT SceneFieldData {
          * @p data parameter is ignored.
          * @see @ref flags(), @ref fieldData() const
          */
-        Containers::StridedArrayView1D<const void> fieldData(Containers::ArrayView<const void> data) const {
-            return Containers::StridedArrayView1D<const void>{
-                /* We're *sure* the view is correct, so faking the view size */
-                /** @todo better ideas for the StridedArrayView API? */
-                data, _flags & SceneFieldFlag::OffsetOnly ? reinterpret_cast<const char*>(data.data()) + _fieldData.offset : _fieldData.pointer, _size, _fieldStride};
-        }
+        Containers::StridedArrayView1D<const void> fieldData(Containers::ArrayView<const void> data) const;
 
     private:
         friend SceneData;
diff --git a/src/Magnum/Trade/Test/SceneDataTest.cpp b/src/Magnum/Trade/Test/SceneDataTest.cpp
index bf760404b..dc41b7be2 100644
--- a/src/Magnum/Trade/Test/SceneDataTest.cpp
+++ b/src/Magnum/Trade/Test/SceneDataTest.cpp
@@ -816,21 +816,22 @@ void SceneDataTest::constructField() {
     constexpr SceneField name = crotations.name();
     constexpr SceneFieldFlags flags = crotations.flags();
     constexpr SceneMappingType mappingType = crotations.mappingType();
-    constexpr Containers::StridedArrayView1D<const void> mappingData = crotations.mappingData();
     constexpr SceneFieldType fieldType = crotations.fieldType();
     constexpr UnsignedShort fieldArraySize = crotations.fieldArraySize();
-    constexpr Containers::StridedArrayView1D<const void> fieldData = crotations.fieldData();
     CORRADE_COMPARE(name, SceneField::Rotation);
     CORRADE_COMPARE(flags, SceneFieldFlag::ImplicitMapping);
     CORRADE_COMPARE(mappingType, SceneMappingType::UnsignedShort);
-    CORRADE_COMPARE(mappingData.size(), 3);
-    CORRADE_COMPARE(mappingData.stride(), sizeof(UnsignedShort));
-    CORRADE_COMPARE(mappingData.data(), RotationMapping2D);
     CORRADE_COMPARE(fieldType, SceneFieldType::Complexd);
     CORRADE_COMPARE(fieldArraySize, 0);
-    CORRADE_COMPARE(fieldData.size(), 3);
-    CORRADE_COMPARE(fieldData.stride(), sizeof(Complexd));
-    CORRADE_COMPARE(fieldData.data(), RotationField2D);
+    /* These are deliberately not constexpr to save header size a bit --
+       compared to SceneField APIs they get used very little and it's mostly
+       useless in a constexpr context anyway */
+    CORRADE_COMPARE(crotations.mappingData().size(), 3);
+    CORRADE_COMPARE(crotations.mappingData().stride(), sizeof(UnsignedShort));
+    CORRADE_COMPARE(crotations.mappingData().data(), RotationMapping2D);
+    CORRADE_COMPARE(crotations.fieldData().size(), 3);
+    CORRADE_COMPARE(crotations.fieldData().stride(), sizeof(Complexd));
+    CORRADE_COMPARE(crotations.fieldData().data(), RotationField2D);
     #endif
 }