diff --git a/extmod/re1.5/charclass.c b/lib/re1.5/charclass.c
similarity index 100%
rename from extmod/re1.5/charclass.c
rename to lib/re1.5/charclass.c
diff --git a/extmod/re1.5/compilecode.c b/lib/re1.5/compilecode.c
similarity index 100%
rename from extmod/re1.5/compilecode.c
rename to lib/re1.5/compilecode.c
diff --git a/extmod/re1.5/dumpcode.c b/lib/re1.5/dumpcode.c
similarity index 100%
rename from extmod/re1.5/dumpcode.c
rename to lib/re1.5/dumpcode.c
diff --git a/extmod/re1.5/re1.5.h b/lib/re1.5/re1.5.h
similarity index 100%
rename from extmod/re1.5/re1.5.h
rename to lib/re1.5/re1.5.h
diff --git a/extmod/re1.5/recursiveloop.c b/lib/re1.5/recursiveloop.c
similarity index 100%
rename from extmod/re1.5/recursiveloop.c
rename to lib/re1.5/recursiveloop.c