diff --git a/hdl/include/acam_model.sv b/hdl/include/acam_model.svh similarity index 100% rename from hdl/include/acam_model.sv rename to hdl/include/acam_model.svh diff --git a/hdl/include/ideal_timestamper.sv b/hdl/include/ideal_timestamper.svh similarity index 100% rename from hdl/include/ideal_timestamper.sv rename to hdl/include/ideal_timestamper.svh diff --git a/hdl/include/jittery_delay.sv b/hdl/include/jittery_delay.svh similarity index 100% rename from hdl/include/jittery_delay.sv rename to hdl/include/jittery_delay.svh diff --git a/hdl/include/random_pulse_gen.sv b/hdl/include/random_pulse_gen.svh similarity index 100% rename from hdl/include/random_pulse_gen.sv rename to hdl/include/random_pulse_gen.svh diff --git a/hdl/include/tunable_clock_gen.sv b/hdl/include/tunable_clock_gen.svh similarity index 100% rename from hdl/include/tunable_clock_gen.sv rename to hdl/include/tunable_clock_gen.svh diff --git a/hdl/testbench/top/Makefile b/hdl/testbench/old_top/Makefile similarity index 100% rename from hdl/testbench/top/Makefile rename to hdl/testbench/old_top/Makefile diff --git a/hdl/testbench/top/Manifest.py b/hdl/testbench/old_top/Manifest.py similarity index 100% rename from hdl/testbench/top/Manifest.py rename to hdl/testbench/old_top/Manifest.py diff --git a/hdl/testbench/top/main.sv b/hdl/testbench/old_top/main.sv similarity index 100% rename from hdl/testbench/top/main.sv rename to hdl/testbench/old_top/main.sv diff --git a/hdl/testbench/top/run.do b/hdl/testbench/old_top/run.do similarity index 100% rename from hdl/testbench/top/run.do rename to hdl/testbench/old_top/run.do diff --git a/hdl/testbench/top/wave.do b/hdl/testbench/old_top/wave.do similarity index 100% rename from hdl/testbench/top/wave.do rename to hdl/testbench/old_top/wave.do