diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 47e5f0b2c3..4ceb0326ee 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -132,23 +132,6 @@ gralloc_handle_custom_content_md_reserved_size {
     },
 }
 
-soong_config_module_type {
-    name: "sdmcore_has_is_display_hw_available",
-    module_type: "cc_defaults",
-    config_namespace: "lineageGlobalVars",
-    bool_variables: ["sdmcore_has_is_display_hw_available_func"],
-    properties: ["cflags"],
-}
-
-sdmcore_has_is_display_hw_available {
-    name: "sdmcore_has_is_display_hw_available_func_defaults",
-    soong_config_variables: {
-        sdmcore_has_is_display_hw_available_func: {
-            cflags: ["-DSDMCORE_HAS_IS_DISPLAY_HW_AVAILABLE_FUNC"],
-        },
-    },
-}
-
 soong_config_module_type {
     name: "gralloc_handle_reserved_size",
     module_type: "cc_defaults",
diff --git a/config/BoardConfigSoong.mk b/config/BoardConfigSoong.mk
index 28fad134c5..fc351cda7a 100644
--- a/config/BoardConfigSoong.mk
+++ b/config/BoardConfigSoong.mk
@@ -34,7 +34,6 @@ SOONG_CONFIG_lineageGlobalVars += \
     camera_override_format_from_reserved \
     gralloc_handle_has_custom_content_md_reserved_size \
     gralloc_handle_has_reserved_size \
-    sdmcore_has_is_display_hw_available_func \
     target_health_charging_control_charging_path \
     target_health_charging_control_charging_enabled \
     target_health_charging_control_charging_disabled \
@@ -71,7 +70,6 @@ endif
 SOONG_CONFIG_lineageGlobalVars_camera_override_format_from_reserved := $(TARGET_CAMERA_OVERRIDE_FORMAT_FROM_RESERVED)
 SOONG_CONFIG_lineageGlobalVars_gralloc_handle_has_custom_content_md_reserved_size := $(TARGET_GRALLOC_HANDLE_HAS_CUSTOM_CONTENT_MD_RESERVED_SIZE)
 SOONG_CONFIG_lineageGlobalVars_gralloc_handle_has_reserved_size := $(TARGET_GRALLOC_HANDLE_HAS_RESERVED_SIZE)
-SOONG_CONFIG_lineageGlobalVars_sdmcore_has_is_display_hw_available_func := $(TARGET_SDMCORE_HAS_IS_DISPLAY_HW_AVAILABLE_FUNC)
 SOONG_CONFIG_lineageGlobalVars_gralloc_handle_has_ubwcp_format := $(TARGET_GRALLOC_HANDLE_HAS_UBWCP_FORMAT)
 SOONG_CONFIG_lineageGlobalVars_uses_egl_display_array := $(TARGET_USES_EGL_DISPLAY_ARRAY)
 SOONG_CONFIG_lineageNvidiaVars_uses_nvidia_enhancements := $(NV_ANDROID_FRAMEWORK_ENHANCEMENTS)
@@ -93,7 +91,6 @@ TARGET_HEALTH_CHARGING_CONTROL_SUPPORTS_DEADLINE ?= false
 TARGET_HEALTH_CHARGING_CONTROL_SUPPORTS_TOGGLE ?= true
 TARGET_INIT_VENDOR_LIB ?= vendor_init
 TARGET_QTI_VIBRATOR_EFFECT_LIB ?= libqtivibratoreffect
-TARGET_SDMCORE_HAS_IS_DISPLAY_HW_AVAILABLE_FUNC ?= true
 TARGET_SURFACEFLINGER_UDFPS_LIB ?= surfaceflinger_udfps_lib
 TARGET_TRUST_USB_CONTROL_PATH ?= /proc/sys/kernel/deny_new_usb
 TARGET_TRUST_USB_CONTROL_ENABLE ?= 1