diff --git a/gio/tests/data-input-stream.c b/gio/tests/data-input-stream.c
index 3d01a731b..2dddb56e4 100644
--- a/gio/tests/data-input-stream.c
+++ b/gio/tests/data-input-stream.c
@@ -315,6 +315,7 @@ test_read_upto (void)
           g_assert (memchr (DATA_SEP, stop_char, DATA_SEP_LEN) != NULL);
           g_assert_no_error (error);
         }
+      g_free (data);
     }
   g_assert_no_error (error);
   g_assert_cmpint (line, ==, DATA_PARTS_NUM);
diff --git a/gio/tests/network-monitor.c b/gio/tests/network-monitor.c
index 0ba9ec41e..8c0b0c8b5 100644
--- a/gio/tests/network-monitor.c
+++ b/gio/tests/network-monitor.c
@@ -197,6 +197,8 @@ test_default (void)
   run_tests (monitor, unmatched, TRUE);
 
   assert_signals (monitor, FALSE, FALSE, TRUE);
+
+  g_object_unref (monitor);
 }
 
 static void
@@ -223,6 +225,8 @@ test_remove_default (void)
   run_tests (monitor, netlocal6.addresses, FALSE);
   run_tests (monitor, netfe80.addresses, FALSE);
   run_tests (monitor, unmatched, FALSE);
+
+  g_object_unref (monitor);
 }
 
 static void
@@ -294,6 +298,8 @@ test_add_networks (void)
   run_tests (monitor, netlocal6.addresses, TRUE);
   run_tests (monitor, netfe80.addresses, TRUE);
   run_tests (monitor, unmatched, FALSE);
+
+  g_object_unref (monitor);
 }
 
 static void
@@ -387,6 +393,8 @@ test_remove_networks (void)
   run_tests (monitor, netlocal6.addresses, FALSE);
   run_tests (monitor, netfe80.addresses, FALSE);
   run_tests (monitor, unmatched, FALSE);
+
+  g_object_unref (monitor);
 }
 
 
diff --git a/gio/tests/pollable.c b/gio/tests/pollable.c
index 8669e2b1a..f954bd891 100644
--- a/gio/tests/pollable.c
+++ b/gio/tests/pollable.c
@@ -221,6 +221,7 @@ test_pollable_socket (void)
   g_object_unref (server_conn);
   g_object_unref (client);
   g_object_unref (listener);
+  g_object_unref (effective_address);
 }
 
 int
diff --git a/gio/tests/socket.c b/gio/tests/socket.c
index 4e0710f0e..d2919b86c 100644
--- a/gio/tests/socket.c
+++ b/gio/tests/socket.c
@@ -68,6 +68,7 @@ echo_server_thread (gpointer user_data)
 
   g_socket_close (sock, &error);
   g_assert_no_error (error);
+  g_object_unref (sock);
   return NULL;
 }
 
@@ -449,6 +450,7 @@ v4mapped_server_thread (gpointer user_data)
 
   g_socket_close (sock, &error);
   g_assert_no_error (error);
+  g_object_unref (sock);
   return NULL;
 }
 
@@ -491,6 +493,7 @@ test_ipv6_v4mapped (void)
 
   g_object_unref (data->server);
   g_object_unref (client);
+  g_object_unref (v4addr);
 
   g_slice_free (IPTestData, data);
 }
diff --git a/gio/tests/tls-certificate.c b/gio/tests/tls-certificate.c
index 1bc349da9..a1796daea 100644
--- a/gio/tests/tls-certificate.c
+++ b/gio/tests/tls-certificate.c
@@ -308,6 +308,7 @@ main (int   argc,
   g_free (ref.cert_pems[1]);
   g_free (ref.cert_pems[2]);
   g_free (ref.key_pem);
+  g_free (ref.key8_pem);
 
   return rtv;
 }