diff --git a/src/northbridge/amd/pi/00730F01/Makefile.inc b/src/northbridge/amd/pi/00730F01/Makefile.mk
similarity index 100%
rename from src/northbridge/amd/pi/00730F01/Makefile.inc
rename to src/northbridge/amd/pi/00730F01/Makefile.mk
diff --git a/src/northbridge/amd/pi/Makefile.inc b/src/northbridge/amd/pi/Makefile.mk
similarity index 100%
rename from src/northbridge/amd/pi/Makefile.inc
rename to src/northbridge/amd/pi/Makefile.mk
diff --git a/src/northbridge/intel/e7505/Makefile.inc b/src/northbridge/intel/e7505/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/e7505/Makefile.inc
rename to src/northbridge/intel/e7505/Makefile.mk
diff --git a/src/northbridge/intel/gm45/Makefile.inc b/src/northbridge/intel/gm45/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/gm45/Makefile.inc
rename to src/northbridge/intel/gm45/Makefile.mk
diff --git a/src/northbridge/intel/haswell/Makefile.inc b/src/northbridge/intel/haswell/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/haswell/Makefile.inc
rename to src/northbridge/intel/haswell/Makefile.mk
diff --git a/src/northbridge/intel/haswell/broadwell_mrc/Makefile.inc b/src/northbridge/intel/haswell/broadwell_mrc/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/haswell/broadwell_mrc/Makefile.inc
rename to src/northbridge/intel/haswell/broadwell_mrc/Makefile.mk
diff --git a/src/northbridge/intel/haswell/haswell_mrc/Makefile.inc b/src/northbridge/intel/haswell/haswell_mrc/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/haswell/haswell_mrc/Makefile.inc
rename to src/northbridge/intel/haswell/haswell_mrc/Makefile.mk
diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/haswell/native_raminit/Makefile.inc
rename to src/northbridge/intel/haswell/native_raminit/Makefile.mk
diff --git a/src/northbridge/intel/i440bx/Makefile.inc b/src/northbridge/intel/i440bx/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/i440bx/Makefile.inc
rename to src/northbridge/intel/i440bx/Makefile.mk
diff --git a/src/northbridge/intel/i945/Makefile.inc b/src/northbridge/intel/i945/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/i945/Makefile.inc
rename to src/northbridge/intel/i945/Makefile.mk
diff --git a/src/northbridge/intel/ironlake/Makefile.inc b/src/northbridge/intel/ironlake/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/ironlake/Makefile.inc
rename to src/northbridge/intel/ironlake/Makefile.mk
diff --git a/src/northbridge/intel/pineview/Makefile.inc b/src/northbridge/intel/pineview/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/pineview/Makefile.inc
rename to src/northbridge/intel/pineview/Makefile.mk
diff --git a/src/northbridge/intel/sandybridge/Makefile.inc b/src/northbridge/intel/sandybridge/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/sandybridge/Makefile.inc
rename to src/northbridge/intel/sandybridge/Makefile.mk
diff --git a/src/northbridge/intel/x4x/Makefile.inc b/src/northbridge/intel/x4x/Makefile.mk
similarity index 100%
rename from src/northbridge/intel/x4x/Makefile.inc
rename to src/northbridge/intel/x4x/Makefile.mk