7 files changed, 19 insertions, 19 deletions
diff --git a/tests/libtest/lib1509.c b/tests/libtest/lib1509.c
index df428a0d0..ccb668304 100644
--- a/tests/libtest/lib1509.c
+++ b/tests/libtest/lib1509.c
@@ -28,7 +28,7 @@
 size_t WriteOutput(void *ptr, size_t size, size_t nmemb, void *stream);
 size_t WriteHeader(void *ptr, size_t size, size_t nmemb, void *stream);
 
-unsigned long realHeaderSize = 0;
+static unsigned long realHeaderSize = 0;
 
 int test(char *URL)
 {
diff --git a/tests/libtest/lib1531.c b/tests/libtest/lib1531.c
index b21d06733..e6386b264 100644
--- a/tests/libtest/lib1531.c
+++ b/tests/libtest/lib1531.c
@@ -27,8 +27,8 @@
 
 #define TEST_HANG_TIMEOUT 60 * 1000
 
-char const testData[] = ".abc\0xyz";
-off_t const testDataSize = sizeof(testData) - 1;
+static char const testData[] = ".abc\0xyz";
+static off_t const testDataSize = sizeof(testData) - 1;
 
 int test(char *URL)
 {
diff --git a/tests/libtest/lib1900.c b/tests/libtest/lib1900.c
index 4502fc0d6..d72e3e6a2 100644
--- a/tests/libtest/lib1900.c
+++ b/tests/libtest/lib1900.c
@@ -29,14 +29,14 @@
 #define MAX_URLS 200
 #define MAX_BLACKLIST 20
 
-int urltime[MAX_URLS];
-char *urlstring[MAX_URLS];
-CURL *handles[MAX_URLS];
-char *site_blacklist[MAX_BLACKLIST];
-char *server_blacklist[MAX_BLACKLIST];
-int num_handles;
-int blacklist_num_servers;
-int blacklist_num_sites;
+static int urltime[MAX_URLS];
+static char *urlstring[MAX_URLS];
+static CURL *handles[MAX_URLS];
+static char *site_blacklist[MAX_BLACKLIST];
+static char *server_blacklist[MAX_BLACKLIST];
+static int num_handles;
+static int blacklist_num_servers;
+static int blacklist_num_sites;
 
 static size_t
 write_callback(void *contents, size_t size, size_t nmemb, void *userp)
diff --git a/tests/libtest/lib509.c b/tests/libtest/lib509.c
index 941ef7206..4f3e072ae 100644
--- a/tests/libtest/lib509.c
+++ b/tests/libtest/lib509.c
@@ -36,11 +36,11 @@
 #include "memdebug.h"
 */
 
-int seen_malloc = 0;
-int seen_free = 0;
-int seen_realloc = 0;
-int seen_strdup = 0;
-int seen_calloc = 0;
+static int seen_malloc = 0;
+static int seen_free = 0;
+static int seen_realloc = 0;
+static int seen_strdup = 0;
+static int seen_calloc = 0;
 
 void *custom_malloc(size_t size);
 void custom_free(void *ptr);
diff --git a/tests/libtest/lib540.c b/tests/libtest/lib540.c
index f5d89c41d..ac862092f 100644
--- a/tests/libtest/lib540.c
+++ b/tests/libtest/lib540.c
@@ -46,7 +46,7 @@
 
 #define NUM_HANDLES 2
 
-CURL *eh[NUM_HANDLES];
+static CURL *eh[NUM_HANDLES];
 
 static int init(int num, CURLM *cm, const char *url, const char *userpwd,
                 struct curl_slist *headers)
diff --git a/tests/unit/unit1396.c b/tests/unit/unit1396.c
index 84a5162dd..f3275fdb6 100644
--- a/tests/unit/unit1396.c
+++ b/tests/unit/unit1396.c
@@ -21,7 +21,7 @@
  ***************************************************************************/
 #include "curlcheck.h"
 
-CURL *hnd;
+static CURL *hnd;
 
 static CURLcode unit_setup(void)
 {
diff --git a/tests/unit/unit1600.c b/tests/unit/unit1600.c
index af0ad8435..11d718d35 100644
--- a/tests/unit/unit1600.c
+++ b/tests/unit/unit1600.c
@@ -24,7 +24,7 @@
 #include "urldata.h"
 #include "curl_ntlm_core.h"
 
-CURL *easy;
+static CURL *easy;
 
 static CURLcode unit_setup(void)
 {