diff --git a/verilog/rtl/mgmt_soc.v b/verilog/rtl/mgmt_soc.v
index 90f7cee..17a73f4 100644
--- a/verilog/rtl/mgmt_soc.v
+++ b/verilog/rtl/mgmt_soc.v
@@ -1,18 +1,3 @@
-// SPDX-FileCopyrightText: Copyright (C) 2017  Clifford Wolf <clifford@clifford.at>
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
 `default_nettype none
 /*
  *  PicoSoC - A simple example SoC using PicoRV32
diff --git a/verilog/rtl/mprj2_logic_high.v b/verilog/rtl/mprj2_logic_high.v
index e63b1a4..f57f173 100644
--- a/verilog/rtl/mprj2_logic_high.v
+++ b/verilog/rtl/mprj2_logic_high.v
@@ -1,18 +1,3 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
 module mprj2_logic_high (
 `ifdef USE_POWER_PINS
     inout	   vccd2,
diff --git a/verilog/rtl/mprj_logic_high.v b/verilog/rtl/mprj_logic_high.v
index 0450494..24cda90 100644
--- a/verilog/rtl/mprj_logic_high.v
+++ b/verilog/rtl/mprj_logic_high.v
@@ -1,17 +1,3 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
 module mprj_logic_high (
 `ifdef USE_POWER_PINS
     inout	   vccd1,
diff --git a/verilog/rtl/picorv32.v b/verilog/rtl/picorv32.v
index f22a820..17969b5 100644
--- a/verilog/rtl/picorv32.v
+++ b/verilog/rtl/picorv32.v
@@ -1,18 +1,3 @@
-// SPDX-FileCopyrightText: Copyright (C) 2015  Clifford Wolf <clifford@clifford.at>
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
 `default_nettype none
 /*
  *  PicoRV32 -- A Small RISC-V (RV32I) Processor Core
diff --git a/verilog/rtl/simpleuart.v b/verilog/rtl/simpleuart.v
index 81a3309..4fe9f0c 100644
--- a/verilog/rtl/simpleuart.v
+++ b/verilog/rtl/simpleuart.v
@@ -1,17 +1,3 @@
-// SPDX-FileCopyrightText: Copyright (C) 2017  Clifford Wolf <clifford@clifford.at>
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
 `default_nettype none
 /*
  *  PicoSoC - A simple example SoC using PicoRV32
diff --git a/verilog/rtl/spimemio.v b/verilog/rtl/spimemio.v
index 695c67b..dc37126 100644
--- a/verilog/rtl/spimemio.v
+++ b/verilog/rtl/spimemio.v
@@ -1,17 +1,3 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
 `default_nettype none
 /*
  *  PicoSoC - A simple example SoC using PicoRV32