diff --git a/res/drawable-hdpi/ic_send_sms_secure.png b/res/drawable-hdpi/ic_send_sms_secure.png
deleted file mode 100644
index 3b27105914..0000000000
Binary files a/res/drawable-hdpi/ic_send_sms_secure.png and /dev/null differ
diff --git a/res/drawable-mdpi/ic_send_sms_secure.png b/res/drawable-mdpi/ic_send_sms_secure.png
deleted file mode 100644
index 40dffb0962..0000000000
Binary files a/res/drawable-mdpi/ic_send_sms_secure.png and /dev/null differ
diff --git a/res/drawable-xhdpi/ic_send_sms_secure.png b/res/drawable-xhdpi/ic_send_sms_secure.png
deleted file mode 100644
index f6a11ec22d..0000000000
Binary files a/res/drawable-xhdpi/ic_send_sms_secure.png and /dev/null differ
diff --git a/res/drawable-xxhdpi/ic_send_sms_secure.png b/res/drawable-xxhdpi/ic_send_sms_secure.png
deleted file mode 100644
index 869579bdfb..0000000000
Binary files a/res/drawable-xxhdpi/ic_send_sms_secure.png and /dev/null differ
diff --git a/res/layout/conversation_activity.xml b/res/layout/conversation_activity.xml
index e370aac582..2f561636bc 100644
--- a/res/layout/conversation_activity.xml
+++ b/res/layout/conversation_activity.xml
@@ -105,7 +105,7 @@
                     android:contentDescription="@string/conversation_activity__send"
                     android:nextFocusLeft="@+id/embedded_text_editor"
                     android:padding="12dp"
-                    android:src="?conversation_send_button_sms_insecure"
+                    android:src="?conversation_transport_sms_indicator"
                     android:focusable="true"
                     android:clickable="false"
                     android:enabled="false" />
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index a1a8777b41..97e01d7734 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -27,9 +27,6 @@
     <attr name="conversation_background" format="reference|color"/>
     <attr name="conversation_editor_background" format="reference"/>
     <attr name="conversation_editor_text_color" format="reference|color"/>
-    <attr name="conversation_send_button_push" format="reference"/>
-    <attr name="conversation_send_button_sms_secure" format="reference"/>
-    <attr name="conversation_send_button_sms_insecure" format="reference"/>
     <attr name="conversation_delivery_delivered" format="reference"/>
     <attr name="conversation_transport_sms_indicator" format="reference"/>
     <attr name="conversation_transport_push_indicator" format="reference"/>
diff --git a/res/values/themes.xml b/res/values/themes.xml
index 4fecf33fe6..77ea2cf827 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -44,11 +44,8 @@
         <item name="conversation_background">#ffffffff</item>
         <item name="conversation_editor_background">@drawable/textlines</item>
         <item name="conversation_editor_text_color">#ff111111</item>
-        <item name="conversation_send_button_push">@drawable/ic_send_push</item>
-        <item name="conversation_send_button_sms_secure">@drawable/ic_send_sms_secure</item>
-        <item name="conversation_send_button_sms_insecure">@drawable/ic_send_sms_insecure</item>
         <item name="conversation_delivery_delivered">@drawable/ic_delivery_delivered_dark</item>
-        <item name="conversation_transport_sms_indicator">@drawable/ic_send_sms_insecure_dark</item>
+        <item name="conversation_transport_sms_indicator">@drawable/ic_send_sms_insecure</item>
         <item name="conversation_transport_push_indicator">@drawable/ic_send_push</item>
         <item name="conversation_transport_popup_background">@color/white</item>
         <item name="conversation_emoji_toggle">@drawable/ic_emoji_dark</item>
@@ -176,9 +173,6 @@
         <item name="conversation_background">@color/black</item>
         <item name="conversation_editor_background">@drawable/textlines_dark</item>
         <item name="conversation_editor_text_color">#ffeeeeee</item>
-        <item name="conversation_send_button_push">@drawable/ic_send_push</item>
-        <item name="conversation_send_button_sms_secure">@drawable/ic_send_sms_secure</item>
-        <item name="conversation_send_button_sms_insecure">@drawable/ic_send_sms_insecure_dark</item>
         <item name="conversation_delivery_delivered">@drawable/ic_delivery_delivered_dark</item>
         <item name="conversation_transport_sms_indicator">@drawable/ic_send_sms_insecure_dark</item>
         <item name="conversation_transport_push_indicator">@drawable/ic_send_push</item>