diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5971ddd954237284257ca469dc5d0ab8969f074..ba1febe5e4f2c8a4a21da6a0069652724a94e438 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,11 +155,9 @@ endif(USE_NNPACK)
 
 add_subdirectory(proto)
 
-if(NOT ANDROID AND NOT IOS)
-    # "add_subdirectory(go)" should be placed after the following loine,
-    # because it depends on paddle/optimizer.
-    add_subdirectory(paddle/optimizer)
-endif()
+# "add_subdirectory(go)" should be placed after the following loine,
+# because it depends on paddle/optimizer.
+add_subdirectory(paddle/optimizer)
 
 # "add_subdirectory(paddle)" and "add_subdirectory(python)" should be
 # placed after this block, because they depends on it.
diff --git a/cmake/cross_compiling/ios.cmake b/cmake/cross_compiling/ios.cmake
index eea17436bd8bbd082f82a23e90aa2028d4987b70..4b2a18bcc6198aa0ff045d2a93becfa5ba4fef27 100644
--- a/cmake/cross_compiling/ios.cmake
+++ b/cmake/cross_compiling/ios.cmake
@@ -49,8 +49,6 @@ if(NOT IOS)
 endif()
 
 set(CMAKE_SYSTEM_NAME Darwin)
-#set(UNIX ON)
-#set(APPLE ON)
 
 # Get the Xcode version being used.
 execute_process(COMMAND xcodebuild -version
diff --git a/cmake/util.cmake b/cmake/util.cmake
index bfe269ea25380867c3e33cb3bbec29b5690c10e7..0da4969d310368ab27b0ed65237813c07d6e59f0 100644
--- a/cmake/util.cmake
+++ b/cmake/util.cmake
@@ -71,25 +71,20 @@ function(link_paddle_exe TARGET_NAME)
         generate_rdma_links()
     endif()
 
-    if(NOT ANDROID AND NOT IOS)
-        set(PADDLE_TRAIN_LIBS
-            paddle_pserver
-            paddle_network
-            paddle_trainer_lib
-            paddle_optimizer)
-    endif()
-
     target_circle_link_libraries(${TARGET_NAME}
         ARCHIVE_START
         paddle_gserver
         paddle_function
         ARCHIVE_END
+        paddle_pserver
+        paddle_trainer_lib
+        paddle_network
         paddle_math
         paddle_utils
         paddle_parameter
         paddle_proto
         paddle_cuda
-        ${PADDLE_TRAIN_LIBS}
+        paddle_optimizer
         ${EXTERNAL_LIBS}
         ${CMAKE_THREAD_LIBS_INIT}
         ${CMAKE_DL_LIBS}
diff --git a/paddle/CMakeLists.txt b/paddle/CMakeLists.txt
index cee47bb8aca1873e620c21d78f3468f87c9c209f..b435de80a224571d16efdee168541aa301c3f73a 100644
--- a/paddle/CMakeLists.txt
+++ b/paddle/CMakeLists.txt
@@ -5,12 +5,8 @@ add_subdirectory(testing)
 add_subdirectory(math)
 add_subdirectory(parameter)
 add_subdirectory(gserver)
-
-if(NOT ANDROID AND NOT IOS)
-  add_subdirectory(pserver)
-  add_subdirectory(trainer)
-endif()
-
+add_subdirectory(pserver)
+add_subdirectory(trainer)
 add_subdirectory(scripts)
 add_subdirectory(string)
 
@@ -23,7 +19,7 @@ if(Boost_FOUND)
 endif()
 
 if(WITH_C_API)
-    add_subdirectory(capi)
+  add_subdirectory(capi)
 endif()
 
 if(WITH_SWIG_PY)
diff --git a/paddle/capi/CMakeLists.txt b/paddle/capi/CMakeLists.txt
index 071f5a0b0d22ef331729009f626e935aeb5ce57a..dca3b887e1d8af7db1692241a5ba00b169b90e57 100644
--- a/paddle/capi/CMakeLists.txt
+++ b/paddle/capi/CMakeLists.txt
@@ -38,9 +38,8 @@ set(PADDLE_CAPI_INFER_LIBS
     paddle_function
     paddle_gserver
     paddle_proto
-    )
-
-set(PADDLE_CAPI_TRAIN_LIBS paddle_pserver paddle_network)
+    paddle_pserver
+    paddle_network)
 
 cc_library(paddle_capi_whole DEPS paddle_capi ${PADDLE_CAPI_INFER_LIBS})