1 files changed, 1 insertions, 2 deletions
diff --git a/cpukit/score/Makefile.am b/cpukit/score/Makefile.am
index ad2b3048e8..031c9a8b2d 100644
--- a/cpukit/score/Makefile.am
+++ b/cpukit/score/Makefile.am
@@ -288,8 +288,7 @@ libscore_a_SOURCES += src/thread.c src/threadchangepriority.c \
     src/threadrestart.c src/threadsetpriority.c \
     src/threadsetstate.c \
     src/threadstackallocate.c src/threadstackfree.c src/threadstart.c \
-    src/threadstartmultitasking.c src/iterateoverthreads.c \
-    src/threadblockingoperationcancel.c
+    src/threadstartmultitasking.c src/iterateoverthreads.c
 libscore_a_SOURCES += src/threadglobalconstruction.c
 libscore_a_SOURCES += src/threadyield.c