diff --git a/src/operators/fusion_conv_add.cpp b/src/operators/fusion_conv_add.cpp
index 656d30c4e1921914d3fe80d930f4219d73f025ea..b1dba23be0d8ea010b38844b1897381fbf578617 100644
--- a/src/operators/fusion_conv_add.cpp
+++ b/src/operators/fusion_conv_add.cpp
@@ -45,28 +45,6 @@ void FusionConvAddOp<Dtype, T>::InferShape() const {
   this->param_.Output()->Resize(ddim);
 }
 
-#ifdef PADDLE_MOBILE_CPU
-
-#ifndef CONV_ADD_REGISTER
-framework::FusionOpRegistrar convadd_registrar(new FusionConvAddMatcher());
-#define CONV_ADD_REGISTER
-#endif
-
-#endif
-
-#ifdef PADDLE_MOBILE_MALI_GPU
-
-#ifndef CONV_ADD_REGISTER
-static framework::FusionOpRegistrar convadd_registrar(
-    new FusionConvAddMatcher());
-#define CONV_ADD_REGISTER
-#endif
-
-#endif
-
-#ifdef PADDLE_MOBILE_FPGA
-#endif
-
 template class FusionConvAddOp<CPU, float>;
 }  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/fusion_conv_add.h b/src/operators/fusion_conv_add.h
index bc623efc8c9288a6007a8141220a2d40b29d7bdb..ae030ba5767e4039cfa3effe0a7ded4886f261cf 100644
--- a/src/operators/fusion_conv_add.h
+++ b/src/operators/fusion_conv_add.h
@@ -69,7 +69,7 @@ class FusionConvAddOp : public framework::OperatorWithKernel<
 #ifdef PADDLE_MOBILE_CPU
 
 #ifndef CONV_ADD_REGISTER
-extern framework::FusionOpRegistrar convadd_registrar(
+static framework::FusionOpRegistrar convadd_registrar(
     new FusionConvAddMatcher());
 #define CONV_ADD_REGISTER
 #endif
@@ -82,6 +82,7 @@ extern framework::FusionOpRegistrar convadd_registrar(
 static framework::FusionOpRegistrar convadd_registrar(
     new FusionConvAddMatcher());
 #define CONV_ADD_REGISTER
+
 #endif
 
 #endif
diff --git a/src/operators/fusion_fc_op.cpp b/src/operators/fusion_fc_op.cpp
index 0ca3c26c47e91771ab7019261f78815ad8463408..57a8b1b53f2f98b3218ee8fc40c6c9774ec5a5c7 100644
--- a/src/operators/fusion_fc_op.cpp
+++ b/src/operators/fusion_fc_op.cpp
@@ -50,27 +50,6 @@ void FusionFcOp<Dtype, T>::InferShape() const {
   this->param_.Out()->Resize(ddim);
 }
 
-#ifdef PADDLE_MOBILE_CPU
-
-#ifndef CONV_CPU_REGISTER
-#define CONV_CPU_REGISTER
-framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
-#endif
-
-#endif
-
-#ifdef PADDLE_MOBILE_MALI_GPU
-
-#ifndef CONV_CPU_REGISTER
-#define CONV_CPU_REGISTER
-framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
-#endif
-
-#endif
-
-#ifdef PADDLE_MOBILE_FPGA
-#endif
-
 template class FusionFcOp<CPU, float>;
 }  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/fusion_fc_op.h b/src/operators/fusion_fc_op.h
index b545bb8380aedcc31200080beaec4c56f137ad13..c6f13c8e347f525ecee915759a5f4df492a73a92 100644
--- a/src/operators/fusion_fc_op.h
+++ b/src/operators/fusion_fc_op.h
@@ -69,7 +69,7 @@ class FusionFcOp
 
 #ifndef CONV_CPU_REGISTER
 #define CONV_CPU_REGISTER
-extern framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
+static framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
 #endif
 
 #endif
@@ -78,7 +78,7 @@ extern framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
 
 #ifndef CONV_CPU_REGISTER
 #define CONV_CPU_REGISTER
-extern framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
+static framework::FusionOpRegistrar fc_registrar(new FusionFcMatcher());
 #endif
 
 #endif
diff --git a/tools/op.cmake b/tools/op.cmake
index 34caf36c54d9935517fcb2cad1d31121d46d7624..71defeffcc919848e165ea836f4bfed2fcc7e0ff 100644
--- a/tools/op.cmake
+++ b/tools/op.cmake
@@ -166,6 +166,7 @@ if (SCALE_OP)
 endif()
 if (SLICE_OP)
   add_definitions(-DSLICE_OP)
+endif()
 if (DROPOUT_OP)
   add_definitions(-DDROPOUT_OP)
 endif()