diff --git a/storage/maria/unittest/ma_test_loghandler_multigroup-t.c b/storage/maria/unittest/ma_test_loghandler_multigroup-t.c
index 56329a18d7d..779128830dc 100644
--- a/storage/maria/unittest/ma_test_loghandler_multigroup-t.c
+++ b/storage/maria/unittest/ma_test_loghandler_multigroup-t.c
@@ -234,7 +234,7 @@ int main(int argc __attribute__((unused)), char *argv[])
     0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA,
     0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55
   };
-  uchar *long_buffer= malloc(LONG_BUFFER_SIZE + LSN_STORE_SIZE * 2 + 2);
+  uchar *long_buffer;
   char **default_argv;
   PAGECACHE pagecache;
   LSN lsn, lsn_base, first_lsn;
@@ -255,6 +255,7 @@ int main(int argc __attribute__((unused)), char *argv[])
   }
 #endif
 
+  long_buffer= malloc(LONG_BUFFER_SIZE + LSN_STORE_SIZE * 2 + 2);
   load_defaults("my", load_default_groups, &argc, &argv);
   get_options(&argc, &argv);
   default_argv= argv;
@@ -758,6 +759,7 @@ err:
   if (maria_log_remove(maria_data_root))
     exit(1);
 
+  free(long_buffer);
   return (test(exit_status()));
 }
 
diff --git a/storage/maria/unittest/ma_test_loghandler_nologs-t.c b/storage/maria/unittest/ma_test_loghandler_nologs-t.c
index 24c93e428e1..06529066305 100644
--- a/storage/maria/unittest/ma_test_loghandler_nologs-t.c
+++ b/storage/maria/unittest/ma_test_loghandler_nologs-t.c
@@ -191,6 +191,7 @@ int main(int argc __attribute__((unused)), char *argv[])
 
   if (maria_log_remove(maria_data_root))
     exit(1);
+  free(long_buffer);
   exit(0);
 }
 
diff --git a/unittest/mysys/base64-t.c b/unittest/mysys/base64-t.c
index ed19c4de851..f4496f570f9 100644
--- a/unittest/mysys/base64-t.c
+++ b/unittest/mysys/base64-t.c
@@ -91,6 +91,9 @@ main(int argc __attribute__((unused)),char *argv[])
       diag("src length: %.8x, dst length: %.8x\n",
            (uint) src_len, (uint) dst_len);
     }
+    free(dst);
+    free(str);
+    free(src);
   }
   my_end(0);
   return exit_status();