diff --git a/src/boards/SConscript b/src/boards/SConscript
index 606a623e..38947a8a 100644
--- a/src/boards/SConscript
+++ b/src/boards/SConscript
@@ -24,6 +24,7 @@ my_list =  Split("""
 222.cpp
 23.cpp
 235.cpp
+253.cpp
 3d-block.cpp
 411120-c.cpp
 43.cpp
diff --git a/src/mappers/SConscript b/src/mappers/SConscript
index cd621966..6da16380 100644
--- a/src/mappers/SConscript
+++ b/src/mappers/SConscript
@@ -1,5 +1,4 @@
 my_list =   Split("""
-253.cpp
 151.cpp
 16.cpp
 17.cpp