diff --git a/src/org/thoughtcrime/securesms/loki/activities/DisplayNameActivity.kt b/src/org/thoughtcrime/securesms/loki/activities/DisplayNameActivity.kt
index d5afafa364..09c7aac667 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/DisplayNameActivity.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/DisplayNameActivity.kt
@@ -41,9 +41,6 @@ class DisplayNameActivity : BaseActionBarActivity() {
         if (displayName.isEmpty()) {
             return Toast.makeText(this, R.string.activity_display_name_display_name_missing_error, Toast.LENGTH_SHORT).show()
         }
-        if (!displayName.matches(Regex("[a-zA-Z0-9_]+"))) {
-            return Toast.makeText(this, R.string.activity_display_name_display_name_invalid_error, Toast.LENGTH_SHORT).show()
-        }
         if (displayName.toByteArray().size > ProfileCipher.NAME_PADDED_LENGTH) {
             return Toast.makeText(this, R.string.activity_display_name_display_name_too_long_error, Toast.LENGTH_SHORT).show()
         }
diff --git a/src/org/thoughtcrime/securesms/loki/activities/SettingsActivity.kt b/src/org/thoughtcrime/securesms/loki/activities/SettingsActivity.kt
index 29db9e3428..79cf26157f 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/SettingsActivity.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/SettingsActivity.kt
@@ -202,9 +202,6 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
         if (displayName.isEmpty()) {
             return Toast.makeText(this, R.string.activity_settings_display_name_missing_error, Toast.LENGTH_SHORT).show()
         }
-        if (!displayName.matches(Regex("[a-zA-Z0-9_]+"))) {
-            return Toast.makeText(this, R.string.activity_settings_invalid_display_name_error, Toast.LENGTH_SHORT).show()
-        }
         if (displayName.toByteArray().size > ProfileCipher.NAME_PADDED_LENGTH) {
             return Toast.makeText(this, R.string.activity_settings_display_name_too_long_error, Toast.LENGTH_SHORT).show()
         }