diff --git a/lib/filter/ghdl/fir_iterative.make.inc b/lib/filter/ghdl/fir_iterative.inc
similarity index 100%
rename from lib/filter/ghdl/fir_iterative.make.inc
rename to lib/filter/ghdl/fir_iterative.inc
diff --git a/lib/filter/ghdl/fir_parallel.make.inc b/lib/filter/ghdl/fir_parallel.inc
similarity index 100%
rename from lib/filter/ghdl/fir_parallel.make.inc
rename to lib/filter/ghdl/fir_parallel.inc
diff --git a/lib/filter/ghdl/fir_semi_parallel.make.inc b/lib/filter/ghdl/fir_semi_parallel.inc
similarity index 100%
rename from lib/filter/ghdl/fir_semi_parallel.make.inc
rename to lib/filter/ghdl/fir_semi_parallel.inc
diff --git a/lib/filter/ghdl/tb_fir_iterative.make b/lib/filter/ghdl/tb_fir_iterative.make
index 8c815a9..dacc905 100644
--- a/lib/filter/ghdl/tb_fir_iterative.make
+++ b/lib/filter/ghdl/tb_fir_iterative.make
@@ -1,4 +1,4 @@
-include fir_iterative.make.inc
+include fir_iterative.inc
 
 ROOT_PATH := ../../..
 LIB_PATH := $(ROOT_PATH)/lib
diff --git a/lib/filter/ghdl/tb_fir_parallel.make b/lib/filter/ghdl/tb_fir_parallel.make
index 0b5ea1b..6767bdc 100644
--- a/lib/filter/ghdl/tb_fir_parallel.make
+++ b/lib/filter/ghdl/tb_fir_parallel.make
@@ -1,4 +1,4 @@
-include fir_parallel.make.inc
+include fir_parallel.inc
 
 ROOT_PATH := ../../..
 LIB_PATH := $(ROOT_PATH)/lib
diff --git a/lib/filter/ghdl/tb_fir_semi_parallel.make b/lib/filter/ghdl/tb_fir_semi_parallel.make
index ffacf03..992d629 100644
--- a/lib/filter/ghdl/tb_fir_semi_parallel.make
+++ b/lib/filter/ghdl/tb_fir_semi_parallel.make
@@ -1,4 +1,4 @@
-include fir_semi_parallel.make.inc
+include fir_semi_parallel.inc
 
 ROOT_PATH := ../../..
 LIB_PATH := $(ROOT_PATH)/lib