diff --git a/src/Makefile b/src/Makefile
index 1b94682dcb63931b656ed00d12b229c0f748074b..dea708a7a8cf175972fe89f1a2627e007a3f8ad3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -36,7 +36,6 @@ define_bc_riedel.o \
 define_bc_ritske.o \
 define_bc_ritske_isurf.o \
 define_bc_segmented_s_line.o \
-define_bc.sphere.o \
 define_bc_sphere.o \
 define_bc_subduction.o \
 define_isostasy_bc.o \
@@ -95,7 +94,6 @@ install:
 
 subdirs:
 	cd CASCADE;   make all
-	cd DEFINE_BC; make all
 	cd NN;        make all
 	cd OCTREE;    make all
 	cd RESAMPLE;  make all
@@ -107,7 +105,6 @@ vtk:
 .PHONY: objclean
 objclean:
 	cd CASCADE;   make $@
-	cd DEFINE_BC; make $@
 	cd NN;        make $@
 	cd OCTREE;    make $@
 	cd RESAMPLE;  make $@
@@ -116,7 +113,6 @@ objclean:
 .PHONY: distclean
 distclean: objclean
 	cd CASCADE;   make $@
-	cd DEFINE_BC; make $@
 	cd NN;        make $@
 	cd OCTREE;    make $@
 	cd RESAMPLE;  make $@
@@ -125,7 +121,6 @@ distclean: objclean
 .PHONY: more-output
 more-output:
 	cd CASCADE;   make $@
-	cd DEFINE_BC; make $@
 	cd NN;        make $@
 	cd OCTREE;    make $@
 	cd RESAMPLE;  make $@
@@ -141,4 +136,4 @@ more-output:
 mahone::
 	cp -f Makefile.inc.mahone Makefile.inc
 
-# end of file
\ No newline at end of file
+# end of file