3 files changed, 3 insertions, 3 deletions
diff --git a/cpukit/libcsupport/src/flockfile.c b/cpukit/libcsupport/src/flockfile.c
index db83961af1..5fc6e25dbf 100644
--- a/cpukit/libcsupport/src/flockfile.c
+++ b/cpukit/libcsupport/src/flockfile.c
@@ -15,7 +15,7 @@
 #include <stdio.h>
 
 /* This is a non-functional stub */
-void flockfile(FILE* file)
+void flockfile(FILE* file __attribute__((unused)))
 {
 }
 
diff --git a/cpukit/libcsupport/src/ftrylockfile.c b/cpukit/libcsupport/src/ftrylockfile.c
index 924690e44f..54d5419c60 100644
--- a/cpukit/libcsupport/src/ftrylockfile.c
+++ b/cpukit/libcsupport/src/ftrylockfile.c
@@ -17,7 +17,7 @@
 #include <errno.h>
 
 /* This is a non-functional stub */
-int ftrylockfile(FILE* file)
+int ftrylockfile(FILE* file __attribute__((unused)))
 {
   rtems_set_errno_and_return_minus_one( ENOTSUP );
 }
diff --git a/cpukit/libcsupport/src/funlockfile.c b/cpukit/libcsupport/src/funlockfile.c
index a9f1bf3a92..53362cf959 100644
--- a/cpukit/libcsupport/src/funlockfile.c
+++ b/cpukit/libcsupport/src/funlockfile.c
@@ -15,7 +15,7 @@
 #include <stdio.h>
 
 /* This is a non-functional stub */
-void funlockfile(FILE* file)
+void funlockfile(FILE* file __attribute__((unused)))
 {
 }