diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 4ad12dde5938b52217d9fb56ad83506e2303d6cb..81b11f83c666c3552ee02f216c7e9a46b5e3a8ec 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1815,29 +1815,6 @@ void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
 			    enabledisable(enable));
 }
 
-static void
-intel_edp_init_source_oui(struct intel_dp *intel_dp, bool careful)
-{
-	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
-	u8 oui[] = { 0x00, 0xaa, 0x01 };
-	u8 buf[3] = { 0 };
-
-	/*
-	 * During driver init, we want to be careful and avoid changing the source OUI if it's
-	 * already set to what we want, so as to avoid clearing any state by accident
-	 */
-	if (careful) {
-		if (drm_dp_dpcd_read(&intel_dp->aux, DP_SOURCE_OUI, buf, sizeof(buf)) < 0)
-			drm_err(&i915->drm, "Failed to read source OUI\n");
-
-		if (memcmp(oui, buf, sizeof(oui)) == 0)
-			return;
-	}
-
-	if (drm_dp_dpcd_write(&intel_dp->aux, DP_SOURCE_OUI, oui, sizeof(oui)) < 0)
-		drm_err(&i915->drm, "Failed to write source OUI\n");
-}
-
 /* If the device supports it, try to set the power state appropriately */
 void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode)
 {
@@ -1859,10 +1836,6 @@ void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode)
 
 		lspcon_resume(dp_to_dig_port(intel_dp));
 
-		/* Write the source OUI as early as possible */
-		if (intel_dp_is_edp(intel_dp))
-			intel_edp_init_source_oui(intel_dp, false);
-
 		/*
 		 * When turning on, we need to retry for 1ms to give the sink
 		 * time to wake up.
@@ -2480,12 +2453,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp)
 	if (DISPLAY_VER(dev_priv) >= 10)
 		intel_dp_get_dsc_sink_cap(intel_dp);
 
-	/*
-	 * If needed, program our source OUI so we can make various Intel-specific AUX services
-	 * available (such as HDR backlight controls)
-	 */
-	intel_edp_init_source_oui(intel_dp, true);
-
 	intel_edp_mso_init(intel_dp);
 
 	return true;