KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&null_data_table,
                                               KUNIT_PROC_READ, buffer, &len,
                                               &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 
        /*
         * See above.
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&null_data_table,
                                               KUNIT_PROC_WRITE, buffer, &len,
                                               &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 }
 
 /*
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&data_maxlen_unset_table,
                                               KUNIT_PROC_READ, buffer, &len,
                                               &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 
        /*
         * See previous comment.
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&data_maxlen_unset_table,
                                               KUNIT_PROC_WRITE, buffer, &len,
                                               &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 }
 
 /*
 
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ, buffer,
                                               &len, &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE, buffer,
                                               &len, &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 }
 
 /*
 
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ, buffer,
                                               &len, &pos));
-       KUNIT_EXPECT_EQ(test, (size_t)0, len);
+       KUNIT_EXPECT_EQ(test, 0, len);
 }
 
 /*
 
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ,
                                               user_buffer, &len, &pos));
-       KUNIT_ASSERT_EQ(test, (size_t)3, len);
+       KUNIT_ASSERT_EQ(test, 3, len);
        buffer[len] = '\0';
        /* And we read 13 back out. */
        KUNIT_EXPECT_STREQ(test, "13\n", buffer);
 
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ,
                                               user_buffer, &len, &pos));
-       KUNIT_ASSERT_EQ(test, (size_t)4, len);
+       KUNIT_ASSERT_EQ(test, 4, len);
        buffer[len] = '\0';
-       KUNIT_EXPECT_STREQ(test, "-16\n", (char *)buffer);
+       KUNIT_EXPECT_STREQ(test, "-16\n", buffer);
 }
 
 /*
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE,
                                               user_buffer, &len, &pos));
        KUNIT_EXPECT_EQ(test, sizeof(input) - 1, len);
-       KUNIT_EXPECT_EQ(test, sizeof(input) - 1, (size_t)pos);
+       KUNIT_EXPECT_EQ(test, sizeof(input) - 1, pos);
        KUNIT_EXPECT_EQ(test, 9, *((int *)table.data));
 }
 
        KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE,
                                               user_buffer, &len, &pos));
        KUNIT_EXPECT_EQ(test, sizeof(input) - 1, len);
-       KUNIT_EXPECT_EQ(test, sizeof(input) - 1, (size_t)pos);
+       KUNIT_EXPECT_EQ(test, sizeof(input) - 1, pos);
        KUNIT_EXPECT_EQ(test, -9, *((int *)table.data));
 }