diff --git a/testcases/open_posix_testsuite/conformance/interfaces/aio_read/9-1.c b/testcases/open_posix_testsuite/conformance/interfaces/aio_read/9-1.c
index e1ae59e3b..cd1aa0318 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/aio_read/9-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/aio_read/9-1.c
@@ -48,7 +48,6 @@ int main(void)
 	int i;
 	struct aiocb aiocbs[NUM_AIOCBS];
 	int last_req;
-	int err;
 	int ret;
 
 	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L
@@ -85,7 +84,7 @@ int main(void)
 	}
 
 	for (i = 0; i < last_req - 1; i++) {
-		err = aio_error(&aiocbs[i]);
+		aio_error(&aiocbs[i]);
 		ret = aio_return(&aiocbs[i]);
 
 	}
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/aio_write/7-1.c b/testcases/open_posix_testsuite/conformance/interfaces/aio_write/7-1.c
index 277573a38..52c8d7004 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/aio_write/7-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/aio_write/7-1.c
@@ -48,7 +48,6 @@ int main(void)
 	int i;
 	struct aiocb aiocbs[NUM_AIOCBS];
 	int last_req;
-	int err;
 	int ret;
 
 	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L
@@ -79,7 +78,7 @@ int main(void)
 	}
 
 	for (i = 0; i < last_req - 1; i++) {
-		err = aio_error(&aiocbs[i]);
+		aio_error(&aiocbs[i]);
 		ret = aio_return(&aiocbs[i]);
 
 	}
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_init/2-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_init/2-1.c
index 4a60f7098..fbb7c68ff 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_init/2-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_init/2-1.c
@@ -14,7 +14,7 @@
 #include <stdio.h>
 #include "posixtest.h"
 
-static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+static pthread_cond_t cond PTS_ATTRIBUTE_UNUSED = PTHREAD_COND_INITIALIZER;
 
 int main(void)
 {
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/2-2.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/2-2.c
index b9181d126..7098e2e5d 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/2-2.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/2-2.c
@@ -92,7 +92,7 @@
 static int global = 0;
 static int tab[3];
 
-#define CLEANUP(n) static void clnp##n(void * arg)\
+#define CLEANUP(n) static void clnp##n(void * arg PTS_ATTRIBUTE_UNUSED)\
 {\
 	tab[global]=n; \
 	global++; \
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/3-2.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/3-2.c
index 565dae3ce..0a8583fad 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/3-2.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_exit/3-2.c
@@ -94,7 +94,7 @@ static int global = 0;
 static int tab[4];
 static pthread_key_t tld[3];
 
-#define CLEANUP(n) static void clnp##n(void * arg)\
+#define CLEANUP(n) static void clnp##n(void * arg PTS_ATTRIBUTE_UNUSED)\
 {\
 	tab[global]=n; \
 	global++; \
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_init/3-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_init/3-1.c
index 9ee86a5db..8a9b989f1 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_init/3-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_init/3-1.c
@@ -5,7 +5,7 @@
  * of this license, see the COPYING file at the top level of this
  * source tree.
 
- * Test that the macro PTHREAD_MUTEX_INITIALIZER can be sued to intiailize
+ * Test that the macro PTHREAD_MUTEX_INITIALIZER can be used to initialize
  * mutexes that are statically allocated.
  *
  */
@@ -20,7 +20,7 @@ typedef struct my_data {
 	int value;		/* Access protected by mutex */
 } my_data_t;
 
-static my_data_t data = { PTHREAD_MUTEX_INITIALIZER, 0 };
+static my_data_t data PTS_ATTRIBUTE_UNUSED = { PTHREAD_MUTEX_INITIALIZER, 0 };
 
 int main(void)
 {
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/4-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/4-1.c
index a7099688b..d3c0bdae9 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/4-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/4-1.c
@@ -32,9 +32,7 @@ static void *f1(void *parm);
 static int ret;			/* Save return value of
 				   pthread_mutex_timedlock(). */
 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;	/* The mutex */
-static time_t currsec1, currsec2;	/* Variables for saving time before
-				   and afer locking the mutex using
-				   pthread_mutex_timedlock(). */
+
 /****************************
  *
  * MAIN()
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-1.c
index 077bfe76d..f51106bdf 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-1.c
@@ -40,9 +40,7 @@ static void *f1(void *parm);
 static int ret;			/* Save return value of
 				   pthread_mutex_timedlock(). */
 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;	/* The mutex */
-static time_t currsec1, currsec2;	/* Variables for saving time before
-				   and afer locking the mutex using
-				   pthread_mutex_timedlock(). */
+
 /****************************
  *
  * MAIN()
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-2.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-2.c
index 0eda6e58f..afca84eed 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-2.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-2.c
@@ -40,9 +40,7 @@ static void *f1(void *parm);
 static int ret;			/* Save return value of
 				   pthread_mutex_timedlock(). */
 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;	/* The mutex */
-static time_t currsec1, currsec2;	/* Variables for saving time before
-				   and afer locking the mutex using
-				   pthread_mutex_timedlock(). */
+
 /****************************
  *
  * MAIN()
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-3.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-3.c
index baf429503..a5f8b3383 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-3.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_timedlock/5-3.c
@@ -36,9 +36,7 @@ static void *f1(void *parm);
 static int ret;			/* Save return value of
 				   pthread_mutex_timedlock(). */
 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;	/* The mutex */
-static time_t currsec1, currsec2;	/* Variables for saving time before
-				   and afer locking the mutex using
-				   pthread_mutex_timedlock(). */
+
 /****************************
  *
  * MAIN()
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_trylock/4-3.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_trylock/4-3.c
index e7e86bfa8..2145bde8a 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_trylock/4-3.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_trylock/4-3.c
@@ -103,7 +103,6 @@ static struct _scenar {
 #define NSCENAR (sizeof(scenarii)/sizeof(scenarii[0]))
 
 static char do_it = 1;
-static char woken = 0;
 static unsigned long count_ope = 0;
 #ifdef WITH_SYNCHRO
 static sem_t semsig1;
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_unlock/2-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_unlock/2-1.c
index 27f0ee3d7..39dacb73e 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_unlock/2-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutex_unlock/2-1.c
@@ -39,13 +39,13 @@ static int value;			/* value protected by mutex */
 
 int main(void)
 {
-	int i, rc;
+	int i;
 	pthread_t threads[THREAD_NUM];
 
 	/* Create threads */
 	fprintf(stderr, "Creating %d threads\n", THREAD_NUM);
 	for (i = 0; i < THREAD_NUM; ++i)
-		rc = pthread_create(&threads[i], NULL, func, NULL);
+		pthread_create(&threads[i], NULL, func, NULL);
 
 	/* Wait to join all threads */
 	for (i = 0; i < THREAD_NUM; ++i)
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutexattr_setpshared/1-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutexattr_setpshared/1-1.c
index 909b53bf4..8e8617bbd 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutexattr_setpshared/1-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutexattr_setpshared/1-1.c
@@ -37,8 +37,6 @@
 #include <stdio.h>
 #include "posixtest.h"
 
-static pthread_mutex_t new_mutex;	/* The mutex. */
-
 int main(void)
 {
 	pthread_mutexattr_t mta;
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_once/4-1-buildonly.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_once/4-1-buildonly.c
index 6e519962b..d3392f908 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_once/4-1-buildonly.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_once/4-1-buildonly.c
@@ -11,5 +11,6 @@
    */
 
 #include <pthread.h>
+#include "posixtest.h"
 
-static pthread_once_t dummy = PTHREAD_ONCE_INIT;
+static pthread_once_t dummy PTS_ATTRIBUTE_UNUSED = PTHREAD_ONCE_INIT;
