diff --git a/.gitmodules b/.gitmodules
index 078c98c82..780e5ad43 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -64,3 +64,12 @@
 [submodule "vendor/benchmark"]
 	path = vendor/benchmark
 	url = https://github.com/google/benchmark.git
+[submodule "vendor/cheap-ruler-cpp"]
+	path = vendor/cheap-ruler-cpp
+	url = https://github.com/mapbox/cheap-ruler-cpp.git
+[submodule "vendor/pixelmatch-cpp"]
+	path = vendor/pixelmatch-cpp
+	url = https://github.com/mapbox/pixelmatch-cpp.git
+[submodule "vendor/jni.hpp"]
+	path = vendor/jni.hpp
+	url = https://github.com/mapbox/jni.hpp.git
diff --git a/cmake/glfw.cmake b/cmake/glfw.cmake
index 7430cac9d..4ab4ad9c8 100644
--- a/cmake/glfw.cmake
+++ b/cmake/glfw.cmake
@@ -18,9 +18,9 @@ target_include_directories(mbgl-glfw
 
 target_link_libraries(mbgl-glfw
     PRIVATE mbgl-core
+    PRIVATE cheap-ruler-cpp
 )
 
-target_add_mason_package(mbgl-glfw PRIVATE cheap-ruler)
 target_add_mason_package(mbgl-glfw PRIVATE glfw)
 target_add_mason_package(mbgl-glfw PRIVATE args)
 
diff --git a/cmake/mason-dependencies.cmake b/cmake/mason-dependencies.cmake
index 3a7a3f2ef..f007ab4c2 100644
--- a/cmake/mason-dependencies.cmake
+++ b/cmake/mason-dependencies.cmake
@@ -1,10 +1,7 @@
 # All dependencies in a single separate file so its checksum can be used in a CI cache key name
 
-mason_use(cheap-ruler VERSION 2.5.3 HEADER_ONLY)
-mason_use(pixelmatch VERSION 0.10.0 HEADER_ONLY)
-
 if(MBGL_PLATFORM STREQUAL "android")
-    mason_use(jni.hpp VERSION 4.0.1 HEADER_ONLY)
+    # noop
 elseif(MBGL_PLATFORM STREQUAL "ios")
     # noop
 elseif(MBGL_PLATFORM STREQUAL "linux")
diff --git a/cmake/test.cmake b/cmake/test.cmake
index 23370bd74..053ba92d7 100644
--- a/cmake/test.cmake
+++ b/cmake/test.cmake
@@ -27,10 +27,9 @@ target_link_libraries(mbgl-test PRIVATE
     mbgl-core
     shelf-pack-cpp
     unique_resource
+    pixelmatch-cpp
 )
 
-target_add_mason_package(mbgl-test PRIVATE pixelmatch)
-
 mbgl_platform_test()
 
 create_source_groups(mbgl-test)
diff --git a/cmake/vendor.cmake b/cmake/vendor.cmake
index 760754486..17128d10e 100644
--- a/cmake/vendor.cmake
+++ b/cmake/vendor.cmake
@@ -5,15 +5,18 @@ execute_process(
 
 include(${CMAKE_SOURCE_DIR}/vendor/benchmark.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/boost.cmake)
+include(${CMAKE_SOURCE_DIR}/vendor/cheap-ruler-cpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/earcut.hpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/expected.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/geojson-vt-cpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/geojson.hpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/geometry.hpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/icu.cmake)
+include(${CMAKE_SOURCE_DIR}/vendor/jni.hpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/kdbush.hpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/nunicode.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/optional.cmake)
+include(${CMAKE_SOURCE_DIR}/vendor/pixelmatch-cpp.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/polylabel.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/protozero.cmake)
 include(${CMAKE_SOURCE_DIR}/vendor/rapidjson.cmake)
diff --git a/platform/android/config.cmake b/platform/android/config.cmake
index 0e10e2af1..8c94842de 100644
--- a/platform/android/config.cmake
+++ b/platform/android/config.cmake
@@ -42,9 +42,8 @@ macro(mbgl_platform_core)
         PRIVATE platform/android
     )
 
-    target_add_mason_package(mbgl-core PUBLIC jni.hpp)
-
     target_link_libraries(mbgl-core
+        PUBLIC jni.hpp
         PUBLIC -llog
         PUBLIC -landroid
         PUBLIC -ljnigraphics
@@ -61,10 +60,9 @@ macro(mbgl_filesource)
     # Modify platform/android/filesource-files.txt to change the source files for this target.
     target_sources_from_file(mbgl-filesource PRIVATE platform/android/filesource-files.txt)
 
-    target_add_mason_package(mbgl-filesource PUBLIC jni.hpp)
-
     target_link_libraries(mbgl-filesource
         PUBLIC sqlite
+        PUBLIC jni.hpp
         PUBLIC -llog
         PUBLIC -landroid
         PUBLIC -lstdc++
diff --git a/vendor/cheap-ruler-cpp b/vendor/cheap-ruler-cpp
new file mode 160000
index 000000000..98cbe70da
--- /dev/null
+++ b/vendor/cheap-ruler-cpp
@@ -0,0 +1 @@
+Subproject commit 98cbe70dab74c5b77f139013ea5b3623d3ba3dc6
diff --git a/vendor/cheap-ruler-cpp.cmake b/vendor/cheap-ruler-cpp.cmake
new file mode 100644
index 000000000..8d98cde63
--- /dev/null
+++ b/vendor/cheap-ruler-cpp.cmake
@@ -0,0 +1,6 @@
+add_library(cheap-ruler-cpp INTERFACE)
+
+target_include_directories(cheap-ruler-cpp SYSTEM INTERFACE
+    ${CMAKE_SOURCE_DIR}/vendor/cheap-ruler-cpp/include
+)
+
diff --git a/vendor/jni.hpp b/vendor/jni.hpp
new file mode 160000
index 000000000..8f55acd90
--- /dev/null
+++ b/vendor/jni.hpp
@@ -0,0 +1 @@
+Subproject commit 8f55acd9017452f45a88ab3fb3aef89de995b723
diff --git a/vendor/jni.hpp.cmake b/vendor/jni.hpp.cmake
new file mode 100644
index 000000000..bf3c12985
--- /dev/null
+++ b/vendor/jni.hpp.cmake
@@ -0,0 +1,5 @@
+add_library(jni.hpp INTERFACE)
+
+target_include_directories(jni.hpp SYSTEM INTERFACE
+    ${CMAKE_SOURCE_DIR}/vendor/jni.hpp/include
+)
diff --git a/vendor/pixelmatch-cpp b/vendor/pixelmatch-cpp
new file mode 160000
index 000000000..61f433cb4
--- /dev/null
+++ b/vendor/pixelmatch-cpp
@@ -0,0 +1 @@
+Subproject commit 61f433cb485d6b08dc7fe97ae5f8717007c7bda1
diff --git a/vendor/pixelmatch-cpp.cmake b/vendor/pixelmatch-cpp.cmake
new file mode 100644
index 000000000..8efa52713
--- /dev/null
+++ b/vendor/pixelmatch-cpp.cmake
@@ -0,0 +1,5 @@
+add_library(pixelmatch-cpp INTERFACE)
+
+target_include_directories(pixelmatch-cpp SYSTEM INTERFACE
+    ${CMAKE_SOURCE_DIR}/vendor/pixelmatch-cpp/include
+)