diff --git a/app/src/debug/res/font/opensans.xml b/app/src/debug/res/font/opensans.xml
deleted file mode 100644
index 9b59b9e86e..0000000000
--- a/app/src/debug/res/font/opensans.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<font-family xmlns:app="http://schemas.android.com/apk/res-auto">
-    <font
-        app:font="@font/opensans_regular"
-        app:fontStyle="normal"
-        app:fontWeight="400" />
-    <font
-        app:font="@font/opensans_italic"
-        app:fontStyle="italic"
-        app:fontWeight="400" />
-    <font
-        app:font="@font/opensans_bold"
-        app:fontStyle="normal"
-        app:fontWeight="700" />
-    <font
-        app:font="@font/opensans_bold_italic"
-        app:fontStyle="italic"
-        app:fontWeight="700" />
-</font-family>
\ No newline at end of file
diff --git a/app/src/debug/res/font/opensans_bold.ttf b/app/src/debug/res/font/opensans_bold.ttf
deleted file mode 100644
index 4d8f3e5b90..0000000000
Binary files a/app/src/debug/res/font/opensans_bold.ttf and /dev/null differ
diff --git a/app/src/debug/res/font/opensans_bold_italic.ttf b/app/src/debug/res/font/opensans_bold_italic.ttf
deleted file mode 100644
index eba75d7421..0000000000
Binary files a/app/src/debug/res/font/opensans_bold_italic.ttf and /dev/null differ
diff --git a/app/src/debug/res/font/opensans_italic.ttf b/app/src/debug/res/font/opensans_italic.ttf
deleted file mode 100644
index b0884744c5..0000000000
Binary files a/app/src/debug/res/font/opensans_italic.ttf and /dev/null differ
diff --git a/app/src/debug/res/font/opensans_regular.ttf b/app/src/debug/res/font/opensans_regular.ttf
deleted file mode 100644
index 3a29f26497..0000000000
Binary files a/app/src/debug/res/font/opensans_regular.ttf and /dev/null differ
diff --git a/app/src/main/java/eu/faircode/email/StyleHelper.java b/app/src/main/java/eu/faircode/email/StyleHelper.java
index 1831312381..ed7cd6b02f 100644
--- a/app/src/main/java/eu/faircode/email/StyleHelper.java
+++ b/app/src/main/java/eu/faircode/email/StyleHelper.java
@@ -931,8 +931,6 @@ public class StyleHelper {
         // https://developer.mozilla.org/en-US/docs/Web/CSS/font-family
         // TODO: Microsoft: Georgia (Serif), Tahoma (Sans-serif), Trebuchet MS (Sans-serif)
         String faces = family.toLowerCase(Locale.ROOT);
-        if (faces.contains("open sans"))
-            return "Open Sans, Arial, Verdana, Helvetica, Helvetica Neue, sans-serif";
         if (faces.contains("montserrat"))
             return "Montserrat, sans-serif";
         if (faces.contains("arimo"))
@@ -974,9 +972,6 @@ public class StyleHelper {
             return ResourcesCompat.getFont(context, R.font.fantasy);
 
         if (bundled_fonts) {
-            if (faces.contains("open sans"))
-                return ResourcesCompat.getFont(context, R.font.opensans);
-
             if (faces.contains("montserrat"))
                 return ResourcesCompat.getFont(context, R.font.montserrat);
 
@@ -1045,7 +1040,6 @@ public class StyleHelper {
             result.add(new FontDescriptor("caladea", "Caladea (Cambria)", true));
 
             if (BuildConfig.DEBUG) {
-                result.add(new FontDescriptor("open sans", "Open Sans", true));
                 result.add(new FontDescriptor("montserrat", "Montserrat", true));
             }
 
diff --git a/app/src/main/res/font/opensans.xml b/app/src/main/res/font/opensans.xml
deleted file mode 100644
index cf0d10f056..0000000000
--- a/app/src/main/res/font/opensans.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<font-family xmlns:app="http://schemas.android.com/apk/res-auto">
-    <font
-        app:font="@font/arimo_regular"
-        app:fontStyle="normal"
-        app:fontWeight="400" />
-    <font
-        app:font="@font/arimo_italic"
-        app:fontStyle="italic"
-        app:fontWeight="400" />
-    <font
-        app:font="@font/arimo_bold"
-        app:fontStyle="normal"
-        app:fontWeight="700" />
-    <font
-        app:font="@font/arimo_bolditalic"
-        app:fontStyle="italic"
-        app:fontWeight="700" />
-</font-family>
\ No newline at end of file