diff --git a/build/CommonTargets.CMake b/build/CommonTargets.CMake
index 038fb63..4dee9f9 100644
--- a/build/CommonTargets.CMake
+++ b/build/CommonTargets.CMake
@@ -8,65 +8,37 @@ ExternalProject_Add(GTest
 )
 set(_FINDPACKAGE_GTEST_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}/GTest/lib/cmake/GTest")
 
-set(COMMON_GRPC_CACHE_ARGS
-    -DABSL_ENABLE_INSTALL:BOOL=ON
-    -DABSL_PROPAGATE_CXX_STD:BOOL=ON
-    -DBUILD_SHARED_LIBS:BOOL=OFF
-    -DBUILD_TESTING:BOOL=OFF
-    -DCMAKE_CXX_STANDARD:STRING=${CMAKE_CXX_STANDARD}
-    -DgRPC_BUILD_CSHARP_EXT:BOOL=OFF
-    -DgRPC_BUILD_GRPC_CPP_PLUGIN:BOOL=ON
-    -DgRPC_BUILD_GRPC_CSHARP_PLUGIN:BOOL=OFF
-    -DgRPC_BUILD_GRPC_NODE_PLUGIN:BOOL=OFF
-    -DgRPC_BUILD_GRPC_OBJECTIVE_C_PLUGIN:BOOL=OFF
-    -DgRPC_BUILD_GRPC_PHP_PLUGIN:BOOL=OFF
-    -DgRPC_BUILD_GRPC_PYTHON_PLUGIN:BOOL=OFF
-    -DgRPC_BUILD_GRPC_RUBY_PLUGIN:BOOL=OFF
-    -DgRPC_INSTALL:BOOL=ON
-    -Dprotobuf_ABSL_PROVIDER:STRING=package
-    -Dprotobuf_MODULE_COMPATIBLE:BOOL=ON
-    -Dprotobuf_MSVC_STATIC_RUNTIME:BOOL=ON
-    -DRE2_BUILD_TESTING:BOOL=OFF
-    ${_MSVC_RUNTIME_LIBRARY}
-)
-
-# Build gRPC and protoc for host OS.
-# gRPC build is needed for `grpc_plugin_cpp`.
+# Build protoc for host OS.
 if(CMAKE_CROSSCOMPILING)
-    set(GRPC_HOST_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/gRPC_host")
-    set(PROTOBUF_TARGET gRPC_host)
-    set(GRPC_HOST_TARGET gRPC_host)
-    set(gRPC_BUILD_CODEGEN OFF)
-
-    ExternalProject_Add(gRPC_host
-        PREFIX ${GRPC_HOST_PREFIX}
-        SOURCE_DIR "${THIRDPARTY_DIR}/grpc"
+    set(PROTOBUF_HOST_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/protobuf_host")
+    set(PROTOBUF_TARGET protobuf_host)
+
+    ExternalProject_Add(protobuf_host
+        PREFIX ${PROTOBUF_HOST_PREFIX}
+        SOURCE_DIR "${THIRDPARTY_DIR}/grpc/third_party/protobuf"
         CMAKE_ARGS
         -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
         CMAKE_CACHE_ARGS
-        ${COMMON_GRPC_CACHE_ARGS}
-    )
-
-    set(_grpc_EXTRA_PARAM
-        -DgRPC_BUILD_GRPC_CPP_PLUGIN:BOOL=OFF
-        -DCMAKE_PROGRAM_PATH:STRING=${GRPC_HOST_PREFIX}/bin;${CMAKE_PROGRAM_PATH}
+        -DBUILD_TESTING:BOOL=OFF
+        -DCMAKE_BUILD_TYPE:STRING=Release
+        -DCMAKE_CXX_STANDARD:STRING=${CMAKE_CXX_STANDARD}
+        -Dprotobuf_BUILD_TESTS:BOOL=OFF
+        -Dprotobuf_MODULE_COMPATIBLE:BOOL=ON
+        -Dprotobuf_INSTALL:BOOL=ON
     )
 else()
-    set(GRPC_HOST_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/grpc")
+    set(PROTOBUF_HOST_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/grpc")
     set(PROTOBUF_TARGET grpc)
-    set(gRPC_BUILD_CODEGEN ON)
 endif()
 
-set(PROTOBUF_HOST_PREFIX "${GRPC_HOST_PREFIX}")
-
 if(MSVC)
     set(Protobuf_HOST_DIR "${PROTOBUF_HOST_PREFIX}/cmake")
 else()
     set(Protobuf_HOST_DIR "${PROTOBUF_HOST_PREFIX}/lib/cmake/protobuf")
 endif()
 
-set(absl_HOST_DIR "${GRPC_HOST_PREFIX}/lib/cmake/absl")
-set(utf8_range_HOST_DIR "${GRPC_HOST_PREFIX}/lib/cmake/utf8_range")
+set(absl_HOST_DIR "${PROTOBUF_HOST_PREFIX}/lib/cmake/absl")
+set(utf8_range_HOST_DIR "${PROTOBUF_HOST_PREFIX}/lib/cmake/utf8_range")
 
 set(PROTOBUF_HOST_INCLUDE_DIR "${PROTOBUF_HOST_PREFIX}/include")
 set(PROTOBUF_HOST_LIB_DIR "${PROTOBUF_HOST_PREFIX}/lib")
@@ -110,17 +82,33 @@ ExternalProject_Add(grpc
     -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
     CMAKE_CACHE_ARGS
     ${_CMAKE_COMMON_CACHE_ARGS}
-    ${COMMON_GRPC_CACHE_ARGS}
-    -DgRPC_BUILD_CODEGEN:BOOL=${gRPC_BUILD_CODEGEN}
+    -DABSL_ENABLE_INSTALL:BOOL=ON
+    -DABSL_PROPAGATE_CXX_STD:BOOL=ON
+    -DBUILD_SHARED_LIBS:BOOL=OFF
+    -DBUILD_TESTING:BOOL=OFF
+    -Dc-ares_DIR:PATH=${_FINDPACKAGE_CARES_CONFIG_DIR}
+    -DCMAKE_CXX_STANDARD:STRING=${CMAKE_CXX_STANDARD}
+    -DgRPC_BUILD_CODEGEN:BOOL=OFF
+    -DgRPC_BUILD_CSHARP_EXT:BOOL=OFF
+    -DgRPC_BUILD_GRPC_CPP_PLUGIN:BOOL=OFF
+    -DgRPC_BUILD_GRPC_CSHARP_PLUGIN:BOOL=OFF
+    -DgRPC_BUILD_GRPC_NODE_PLUGIN:BOOL=OFF
+    -DgRPC_BUILD_GRPC_OBJECTIVE_C_PLUGIN:BOOL=OFF
+    -DgRPC_BUILD_GRPC_PHP_PLUGIN:BOOL=OFF
+    -DgRPC_BUILD_GRPC_PYTHON_PLUGIN:BOOL=OFF
+    -DgRPC_BUILD_GRPC_RUBY_PLUGIN:BOOL=OFF
+    -DgRPC_CARES_PROVIDER:STRING=package
+    -DgRPC_INSTALL:BOOL=ON
+    -DgRPC_SSL_PROVIDER:STRING=package
     -DgRPC_ZLIB_PROVIDER:STRING=package
+    -Dprotobuf_ABSL_PROVIDER:STRING=package
+    -Dprotobuf_MODULE_COMPATIBLE:BOOL=ON
+    -Dprotobuf_MSVC_STATIC_RUNTIME:BOOL=ON
+    -DRE2_BUILD_TESTING:BOOL=OFF
     -DZLIB_ROOT:PATH=${ZLIB_ROOT}
     -DZLIB_USE_STATIC_LIBS:BOOL=ON
-    -DgRPC_SSL_PROVIDER:STRING=package
-    -DgRPC_CARES_PROVIDER:STRING=package
-    -Dc-ares_DIR:PATH=${_FINDPACKAGE_CARES_CONFIG_DIR}
     ${_OPENSSL_CACHE_ARGS}
-    ${_grpc_EXTRA_PARAM}
-    DEPENDS openssl ${GRPC_HOST_TARGET} zlib cares
+    DEPENDS openssl zlib cares
 )
 
 ExternalProject_Get_Property(grpc INSTALL_DIR)