diff --git a/cortex-cpp/CMakeLists.txt b/cortex-cpp/CMakeLists.txt
index d59fbea5..e22d9f62 100644
--- a/cortex-cpp/CMakeLists.txt
+++ b/cortex-cpp/CMakeLists.txt
@@ -1,7 +1,6 @@
 cmake_minimum_required(VERSION 3.5)
 project(cortex-cpp C CXX)
 
-include(engines/cortex.llamacpp/engine.cmake)
 include(CheckIncludeFileCXX)
 
 check_include_file_cxx(any HAS_ANY)
diff --git a/cortex-cpp/engines/cortex.llamacpp/engine.cmake b/cortex-cpp/engines/cortex.llamacpp/engine.cmake
deleted file mode 100644
index c4569de1..00000000
--- a/cortex-cpp/engines/cortex.llamacpp/engine.cmake
+++ /dev/null
@@ -1,92 +0,0 @@
-# cortex.llamacpp release version
-set(VERSION 0.1.20)
-# vulka is unstable, we need to use a customized version
-set(VULKA_VERSION 0.1.12-25.06.24)
-
-set(ENGINE_VERSION v${VERSION})
-add_compile_definitions(CORTEX_LLAMACPP_VERSION="${VERSION}")
-
-# MESSAGE("ENGINE_VERSION=" ${ENGINE_VERSION})
-
-# Download library based on instructions 
-if(UNIX AND NOT APPLE) 
-  if(CUDA_12_0)
-    if(LLAMA_AVX512)  
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx512-cuda-12-0.tar.gz)
-    elseif(NOT LLAMA_AVX2)
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx-cuda-12-0.tar.gz)
-    else()
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx2-cuda-12-0.tar.gz)
-    endif()
-  elseif(CUDA_11_7)
-    if(LLAMA_AVX512)  
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx512-cuda-11-7.tar.gz)
-    elseif(NOT LLAMA_AVX2)
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx-cuda-11-7.tar.gz)
-    else()
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx2-cuda-11-7.tar.gz)
-    endif()
-  elseif(LLAMA_VULKAN)
-    set(LIBRARY_NAME cortex.llamacpp-${VULKA_VERSION}-linux-amd64-vulkan.tar.gz)
-    set(ENGINE_VERSION v${VULKA_VERSION})
-  elseif(LLAMA_AVX512)
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx512.tar.gz)
-  elseif(NOT LLAMA_AVX2)
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx.tar.gz)
-  else()
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx2.tar.gz)
-  endif()
-elseif(UNIX)
-  if(MAC_ARM64) 
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-mac-arm64.tar.gz)
-  else()
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-mac-amd64.tar.gz)
-  endif()
-else()
-  if(CUDA_12_0)
-    if(LLAMA_AVX512)  
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx512-cuda-12-0.tar.gz)
-    elseif(NOT LLAMA_AVX2)
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx-cuda-12-0.tar.gz)
-    else()
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx2-cuda-12-0.tar.gz)
-    endif()
-  elseif(CUDA_11_7)
-    if(LLAMA_AVX512)  
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx512-cuda-11-7.tar.gz)
-    elseif(NOT LLAMA_AVX2)
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx-cuda-11-7.tar.gz)
-    else()
-      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx2-cuda-11-7.tar.gz)
-    endif()
-  elseif(LLAMA_VULKAN)
-    set(LIBRARY_NAME cortex.llamacpp-${VULKA_VERSION}-windows-amd64-vulkan.tar.gz)
-    set(ENGINE_VERSION v${VULKA_VERSION})
-  elseif(LLAMA_AVX512)
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx512.tar.gz)
-  elseif(NOT LLAMA_AVX2)
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx.tar.gz)
-  else()
-    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx2.tar.gz)
-  endif()
-endif()
-
-
-set(LIBLLAMA_ENGINE_URL https://github.com/janhq/cortex.llamacpp/releases/download/${ENGINE_VERSION}/${LIBRARY_NAME})
-# MESSAGE("LIBLLAMA_ENGINE_URL="${LIBLLAMA_ENGINE_URL})
-# MESSAGE("LIBARRY_NAME=" ${LIBRARY_NAME})
-
-set(LIBLLAMA_ENGINE_PATH ${CMAKE_BINARY_DIR}/engines/${LIBRARY_NAME})
-
-# MESSAGE("CMAKE_BINARY_DIR = " ${CMAKE_BINARY_DIR})
-
-file(DOWNLOAD ${LIBLLAMA_ENGINE_URL} ${LIBLLAMA_ENGINE_PATH} STATUS LIBLLAMA_ENGINE_DOWNLOAD_STATUS)
-list(GET LIBLLAMA_ENGINE_DOWNLOAD_STATUS 0 LIBLLAMA_ENGINE_DOWNLOAD_STATUS_NO)
-# MESSAGE("file = " ${CMAKE_BINARY_DIR}/engines/${LIBRARY_NAME})
-
-if(LIBLLAMA_ENGINE_DOWNLOAD_STATUS_NO)
-    message(STATUS "Pre-built library not downloaded. (${LIBLLAMA_ENGINE_DOWNLOAD_STATUS})")
-else()
-    message(STATUS "Linking downloaded pre-built library.")
-    file(ARCHIVE_EXTRACT INPUT ${CMAKE_BINARY_DIR}/engines/${LIBRARY_NAME} DESTINATION ${CMAKE_BINARY_DIR}/engines/)
-endif()
\ No newline at end of file