diff --git a/hostapd/Android.bp b/hostapd/Android.bp
index 119f66e..25bde3f 100644
--- a/hostapd/Android.bp
+++ b/hostapd/Android.bp
@@ -39,7 +39,6 @@
     soc_specific: true,
 }
 
-
 cc_defaults {
     name: "hostapd_defaults",
     defaults: ["hostapd_cflags_defaults"],
@@ -67,37 +66,8 @@
     ],
 }
 
-soong_config_module_type {
-    name: "hostapd_cflags_cc_defaults",
-    module_type: "cc_defaults",
-    config_namespace: "hostapd",
-    value_variables: [
-        "platform_version",
-        "nl80211_driver",
-    ],
-    properties: ["cflags"],
-}
-
-hostapd_cflags_cc_defaults {
+cc_defaults {
     name: "hostapd_cflags_defaults",
-    soong_config_variables: {
-        // Devices that include this module should set these soong config vars appropriately.
-        // For example:
-        //   $(call add_soong_config_namespace, wpa_supplicant)
-        //   $(call add_soong_config_var_value, wpa_supplicant, platform_version, $(PLATFORM_VERSION))
-        //   $(call add_soong_config_var_value, wpa_supplicant, nl80211_driver, CONFIG_DRIVER_NL80211_QCA)
-        platform_version: {
-            cflags: ["-DVERSION_STR_POSTFIX=\"-%s\""],
-            conditions_default: {
-                // Default value
-                cflags: ["-DVERSION_STR_POSTFIX=\"-Android\""],
-            },
-        },
-        nl80211_driver: {
-            cflags: ["-D%s"],
-            // Flag is optional, so no default value provided.
-        },
-    },
     // Generated by building hostapd and printing LOCAL_CFLAGS.
     cflags: [
         "-DWPA_IGNORE_CONFIG_ERRORS",
@@ -167,7 +137,21 @@
         "-Wno-unused-parameter",
         "-Wno-unused-variable",
         "-Wno-macro-redefined",
-    ],
+    ] +
+        // Devices that include this module should set these soong config vars appropriately.
+        // For example:
+        //   $(call soong_config_set, hostapd, platform_version, $(PLATFORM_VERSION))
+        //   $(call soong_config_set, hostapd, nl80211_driver, CONFIG_DRIVER_NL80211_QCA)
+        select(soong_config_variable("hostapd", "platform_version"), {
+            any @ version: ["-DVERSION_STR_POSTFIX=\"-" + version + "\""],
+            default: ["-DVERSION_STR_POSTFIX=\"-Android\""],
+        }) +
+        select(soong_config_variable("hostapd", "nl80211_driver"), {
+            any @ driver: ["-D" + driver],
+            // Flag is optional, so no default value provided.
+            default: [],
+        }),
+
     // Similar to suppressing clang compiler warnings, here we
     // suppress clang-tidy warnings to reduce noises in Android build.log.
     tidy_checks: [
@@ -199,7 +183,6 @@
     ],
 }
 
-
 // Generated by building hostapd and printing LOCAL_SRC_FILES.
 filegroup {
     name: "hostapd_srcs",