diff --git a/libraries/AP_Common/AP_Semaphore.cpp b/libraries/AP_Semaphore/AP_Semaphore.cpp
similarity index 100%
rename from libraries/AP_Common/AP_Semaphore.cpp
rename to libraries/AP_Semaphore/AP_Semaphore.cpp
diff --git a/libraries/AP_Common/AP_Semaphore.h b/libraries/AP_Semaphore/AP_Semaphore.h
similarity index 100%
rename from libraries/AP_Common/AP_Semaphore.h
rename to libraries/AP_Semaphore/AP_Semaphore.h
diff --git a/libraries/AP_Common/examples/AP_Semaphore_test/AP_Semaphore_test.pde b/libraries/AP_Semaphore/examples/AP_Semaphore_test/AP_Semaphore_test.pde
similarity index 100%
rename from libraries/AP_Common/examples/AP_Semaphore_test/AP_Semaphore_test.pde
rename to libraries/AP_Semaphore/examples/AP_Semaphore_test/AP_Semaphore_test.pde