diff --git a/projects/first_mesh/src/main.cpp b/projects/first_mesh/src/main.cpp
index 731d3e56975ff0cd2d8e6d503a19d56de1b922fe..fc682ae1f8b3d1a174ff230c274b89093bc3325c 100644
--- a/projects/first_mesh/src/main.cpp
+++ b/projects/first_mesh/src/main.cpp
@@ -166,7 +166,6 @@ int main(int argc, const char** argv) {
 
     vkcv::camera::CameraManager cameraManager(window);
     uint32_t camIndex0 = cameraManager.addCamera(vkcv::camera::ControllerType::PILOT);
-	uint32_t camIndex1 = cameraManager.addCamera(vkcv::camera::ControllerType::TRACKBALL);
 	
 	cameraManager.getCamera(camIndex0).setPosition(glm::vec3(0, 0, -3));
 
diff --git a/projects/first_triangle/src/main.cpp b/projects/first_triangle/src/main.cpp
index 253efad491e6e320ba5e5e8b270b187e2e79da82..3598da5f579b608d2c29f1f6fea0b0e25a560336 100644
--- a/projects/first_triangle/src/main.cpp
+++ b/projects/first_triangle/src/main.cpp
@@ -26,8 +26,6 @@ int main(int argc, const char** argv) {
 		{ "VK_KHR_swapchain" }
 	);
 
-	const auto& context = core.getContext();
-
 	auto triangleIndexBuffer = core.createBuffer<uint16_t>(vkcv::BufferType::INDEX, 3, vkcv::BufferMemoryType::DEVICE_LOCAL);
 	uint16_t indices[3] = { 0, 1, 2 };
 	triangleIndexBuffer.fill(&indices[0], sizeof(indices));
diff --git a/projects/mesh_shader/src/main.cpp b/projects/mesh_shader/src/main.cpp
index 3a94de5842f3e70625729c9755b8c88048ece2ec..611a324f875f5726ebd674e3ee51d27ad2d8e849 100644
--- a/projects/mesh_shader/src/main.cpp
+++ b/projects/mesh_shader/src/main.cpp
@@ -98,11 +98,6 @@ int main(int argc, const char** argv) {
 
     vkcv::gui::GUI gui (core, window);
 
-    const auto& context = core.getContext();
-    const vk::Instance& instance = context.getInstance();
-    const vk::PhysicalDevice& physicalDevice = context.getPhysicalDevice();
-    const vk::Device& device = context.getDevice();
-
     vkcv::asset::Scene mesh;
     const char* path = argc > 1 ? argv[1] : "resources/Bunny/Bunny.glb";
     vkcv::asset::loadScene(path, mesh);