diff --git a/hardware/xilinx/scripts/hsi.tcl b/hardware/xilinx/scripts/hsi.tcl
index bbe3f67..509be75 100644
--- a/hardware/xilinx/scripts/hsi.tcl
+++ b/hardware/xilinx/scripts/hsi.tcl
@@ -15,7 +15,6 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-#  Copyright (c) 2018 by Contributors
 #  file: hsi.tcl
 #  brief: Driver generation script for ARMv7 driver libraries.
 #
diff --git a/hardware/xilinx/sim/vta_test.cc b/hardware/xilinx/sim/vta_test.cc
index e3df31a..b7f0b73 100644
--- a/hardware/xilinx/sim/vta_test.cc
+++ b/hardware/xilinx/sim/vta_test.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file vta_test.cpp
  * \brief Simulation tests for the VTA design.
  */
diff --git a/include/vta/driver.h b/include/vta/driver.h
index 40221d5..4ac2ca3 100644
--- a/include/vta/driver.h
+++ b/include/vta/driver.h
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file driver.h
  * \brief Driver interface that is used by runtime.
  *
diff --git a/include/vta/runtime.h b/include/vta/runtime.h
index 5e99b41..ca8d121 100644
--- a/include/vta/runtime.h
+++ b/include/vta/runtime.h
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file runtime.h
  * \brief VTA runtime library.
  */
diff --git a/include/vta/sim_tlpp.h b/include/vta/sim_tlpp.h
index ead07f1..1e56c48 100644
--- a/include/vta/sim_tlpp.h
+++ b/include/vta/sim_tlpp.h
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2019 by Contributors
  * \file sim_tlpp.h
  * \brief TVM VTA multiple thread simulator header file.
  */
diff --git a/src/de10nano/cma_api.cc b/src/de10nano/cma_api.cc
index 12c0e3b..1fd304c 100644
--- a/src/de10nano/cma_api.cc
+++ b/src/de10nano/cma_api.cc
@@ -25,7 +25,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file cma_api.cc
  * \brief Application layer implementation for contigous memory allocation.
  */
diff --git a/src/device_api.cc b/src/device_api.cc
index c38481a..0c3b3fa 100644
--- a/src/device_api.cc
+++ b/src/device_api.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file device_api.cc
  * \brief TVM device API for VTA
  */
diff --git a/src/runtime.cc b/src/runtime.cc
index b657d63..aa42a4c 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file runtime.cc
  * \brief Generic VTA runtime in C++11.
  *
diff --git a/src/sim/sim_driver.cc b/src/sim/sim_driver.cc
index 871097f..b00f41d 100644
--- a/src/sim/sim_driver.cc
+++ b/src/sim/sim_driver.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file sim_driver.cc
  * \brief VTA driver for simulated backend.
  */
diff --git a/src/sim/sim_tlpp.cc b/src/sim/sim_tlpp.cc
index 5a97b93..d5ec7ea 100644
--- a/src/sim/sim_tlpp.cc
+++ b/src/sim/sim_tlpp.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2019 by Contributors
  * \file sim_tlpp.cc
  * \brief simulate core level pipe line parallism logic.
  */
diff --git a/src/vmem/virtual_memory.cc b/src/vmem/virtual_memory.cc
index 18dc1df..20ffd00 100644
--- a/src/vmem/virtual_memory.cc
+++ b/src/vmem/virtual_memory.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2019 by Contributors
  * \file virtual_memory.cc
  * \brief Thread-safe virtal memory manager
  */
diff --git a/src/vmem/virtual_memory.h b/src/vmem/virtual_memory.h
index 9f1cbc1..5181b3d 100644
--- a/src/vmem/virtual_memory.h
+++ b/src/vmem/virtual_memory.h
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2019 by Contributors
  * \file virtual_memory.h
  * \brief The virtual memory manager for device simulation
  */
diff --git a/tests/hardware/metal_test/metal_test.cc b/tests/hardware/metal_test/metal_test.cc
index 1dec5d2..cc0da5c 100644
--- a/tests/hardware/metal_test/metal_test.cc
+++ b/tests/hardware/metal_test/metal_test.cc
@@ -18,7 +18,6 @@
  */
 
 /*!
- *  Copyright (c) 2018 by Contributors
  * \file metal_test.cpp
  * \brief Bare-metal test to test driver and VTA design.
  */