diff --git a/c/src/exec/posix/include/rtems/posix/threadsup.h b/c/src/exec/posix/include/rtems/posix/threadsup.h
index bb800a507f..ee93f8252c 100644
--- a/c/src/exec/posix/include/rtems/posix/threadsup.h
+++ b/c/src/exec/posix/include/rtems/posix/threadsup.h
@@ -29,7 +29,6 @@ typedef struct {
   CORE_semaphore_Control  Interrupt_Semaphore;
 #endif
 
-#if 0
   /*
    *  POSIX Cancelability 
    */
@@ -37,7 +36,6 @@ typedef struct {
   int                     cancelability_type;
   int                     cancelation_requested;
   Chain_Control           Cancellation_Handlers;
-#endif
 
 } POSIX_API_Control;
 
diff --git a/cpukit/posix/include/rtems/posix/threadsup.h b/cpukit/posix/include/rtems/posix/threadsup.h
index bb800a507f..ee93f8252c 100644
--- a/cpukit/posix/include/rtems/posix/threadsup.h
+++ b/cpukit/posix/include/rtems/posix/threadsup.h
@@ -29,7 +29,6 @@ typedef struct {
   CORE_semaphore_Control  Interrupt_Semaphore;
 #endif
 
-#if 0
   /*
    *  POSIX Cancelability 
    */
@@ -37,7 +36,6 @@ typedef struct {
   int                     cancelability_type;
   int                     cancelation_requested;
   Chain_Control           Cancellation_Handlers;
-#endif
 
 } POSIX_API_Control;