diff --git a/src/mbgl/style/source.cpp b/src/mbgl/style/source.cpp
new file mode 100644
index 000000000..4c83a3ce0
--- /dev/null
+++ b/src/mbgl/style/source.cpp
@@ -0,0 +1,18 @@
+#include <mbgl/style/source.hpp>
+#include <mbgl/style/source_impl.hpp>
+
+namespace mbgl {
+namespace style {
+
+Source::Source(SourceType type_, std::unique_ptr<Impl> baseImpl_)
+    : baseImpl(std::move(baseImpl_)), type(type_) {
+}
+
+Source::~Source() = default;
+
+const std::string& Source::getID() const {
+    return baseImpl->id;
+}
+
+} // namespace style
+} // namespace mbgl
diff --git a/src/mbgl/style/sources/geojson_source.cpp b/src/mbgl/style/sources/geojson_source.cpp
new file mode 100644
index 000000000..b5932581d
--- /dev/null
+++ b/src/mbgl/style/sources/geojson_source.cpp
@@ -0,0 +1,8 @@
+#include <mbgl/style/sources/geojson_source.hpp>
+#include <mbgl/style/sources/geojson_source_impl.hpp>
+
+namespace mbgl {
+namespace style {
+
+} // namespace style
+} // namespace mbgl
diff --git a/src/mbgl/style/sources/raster_source.cpp b/src/mbgl/style/sources/raster_source.cpp
new file mode 100644
index 000000000..3c65476df
--- /dev/null
+++ b/src/mbgl/style/sources/raster_source.cpp
@@ -0,0 +1,12 @@
+#include <mbgl/style/sources/raster_source.hpp>
+#include <mbgl/style/sources/raster_source_impl.hpp>
+
+namespace mbgl {
+namespace style {
+
+RasterSource::RasterSource(std::string id, variant<std::string, Tileset> urlOrTileset, uint16_t tileSize)
+    : Source(SourceType::Raster, std::make_unique<RasterSource::Impl>(std::move(id), *this, std::move(urlOrTileset), tileSize)) {
+}
+
+} // namespace style
+} // namespace mbgl
diff --git a/src/mbgl/style/sources/vector_source.cpp b/src/mbgl/style/sources/vector_source.cpp
new file mode 100644
index 000000000..f2a6b166a
--- /dev/null
+++ b/src/mbgl/style/sources/vector_source.cpp
@@ -0,0 +1,12 @@
+#include <mbgl/style/sources/vector_source.hpp>
+#include <mbgl/style/sources/vector_source_impl.hpp>
+
+namespace mbgl {
+namespace style {
+
+VectorSource::VectorSource(std::string id, variant<std::string, Tileset> urlOrTileset)
+    : Source(SourceType::Vector, std::make_unique<VectorSource::Impl>(std::move(id), *this, std::move(urlOrTileset))) {
+}
+
+} // namespace style
+} // namespace mbgl