diff --git a/driver_library/include/ethosu.hpp b/driver_library/include/ethosu.hpp
index 47c1868..eaa1ce7 100644
--- a/driver_library/include/ethosu.hpp
+++ b/driver_library/include/ethosu.hpp
@@ -39,12 +39,12 @@
 
 namespace EthosU {
 
-constexpr uint32_t DRIVER_LIBRARY_VERSION_MAJOR = 2;
+constexpr uint32_t DRIVER_LIBRARY_VERSION_MAJOR = 3;
 constexpr uint32_t DRIVER_LIBRARY_VERSION_MINOR = 0;
 constexpr uint32_t DRIVER_LIBRARY_VERSION_PATCH = 0;
 
-constexpr uint32_t MAX_SUPPORTED_KERNEL_DRIVER_MAJOR_VERSION = 2;
-constexpr uint32_t MIN_SUPPORTED_KERNEL_DRIVER_MAJOR_VERSION = 2;
+constexpr uint32_t MAX_SUPPORTED_KERNEL_DRIVER_MAJOR_VERSION = 3;
+constexpr uint32_t MIN_SUPPORTED_KERNEL_DRIVER_MAJOR_VERSION = 3;
 
 class Exception : public std::exception {
 public:
@@ -168,12 +168,11 @@
 
 class Network {
 public:
-    Network(const Device &device, std::shared_ptr<Buffer> &buffer);
+    Network(const Device &device, const unsigned char *networkData, size_t networkSize);
     Network(const Device &device, const unsigned index);
     virtual ~Network() noexcept(false);
 
     int ioctl(unsigned long cmd, void *data = nullptr);
-    std::shared_ptr<Buffer> getBuffer();
     const std::vector<size_t> &getIfmDims() const;
     size_t getIfmSize() const;
     const std::vector<size_t> &getOfmDims() const;
@@ -183,7 +182,6 @@
     void collectNetworkInfo();
 
     int fd;
-    std::shared_ptr<Buffer> buffer;
     std::vector<size_t> ifmDims;
     std::vector<size_t> ofmDims;
 };