.hiword_update = false,
 };
 
-static const struct sdhci_arasan_soc_ctl_map thunderbay_soc_ctl_map = {
-       .baseclkfreq = { .reg = 0x0, .width = 8, .shift = 14 },
-       .clockmultiplier = { .reg = 0x4, .width = 8, .shift = 14 },
-       .support64b = { .reg = 0x4, .width = 1, .shift = 24 },
-       .hiword_update = false,
-};
-
 static const struct sdhci_arasan_soc_ctl_map intel_keembay_soc_ctl_map = {
        .baseclkfreq = { .reg = 0x0, .width = 8, .shift = 14 },
        .clockmultiplier = { .reg = 0x4, .width = 8, .shift = 14 },
                        SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
 };
 
-static const struct sdhci_pltfm_data sdhci_arasan_thunderbay_pdata = {
-       .ops = &sdhci_arasan_cqe_ops,
-       .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
-       .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
-               SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
-               SDHCI_QUIRK2_STOP_WITH_TC |
-               SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400,
-};
-
 #ifdef CONFIG_PM_SLEEP
 /**
  * sdhci_arasan_suspend - Suspend method for the driver
        .clk_ops = &arasan_clk_ops,
 };
 
-static const struct sdhci_arasan_of_data sdhci_arasan_thunderbay_data = {
-       .soc_ctl_map = &thunderbay_soc_ctl_map,
-       .pdata = &sdhci_arasan_thunderbay_pdata,
-       .clk_ops = &arasan_clk_ops,
-};
-
 static const struct sdhci_pltfm_data sdhci_keembay_emmc_pdata = {
        .ops = &sdhci_arasan_cqe_ops,
        .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
                .compatible = "intel,keembay-sdhci-5.1-sdio",
                .data = &intel_keembay_sdio_data,
        },
-       {
-               .compatible = "intel,thunderbay-sdhci-5.1",
-               .data = &sdhci_arasan_thunderbay_data,
-       },
        /* Generic compatible below here */
        {
                .compatible = "arasan,sdhci-8.9a",
 
        if (of_device_is_compatible(np, "intel,keembay-sdhci-5.1-emmc") ||
            of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sd") ||
-           of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sdio") ||
-           of_device_is_compatible(np, "intel,thunderbay-sdhci-5.1")) {
+           of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sdio")) {
                sdhci_arasan_update_clockmultiplier(host, 0x0);
                sdhci_arasan_update_support64b(host, 0x0);