diff --git a/.editorconfig b/.editorconfig
index e948040ce6..5d0a0af252 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -106,6 +106,11 @@ dotnet_style_predefined_type_for_member_access = true:suggestion
 #prefer the language keyword for local variables, method parameters, and class members, instead of the type name, for types that have a keyword to represent them
 dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
 
+#show an IDE warning when default access modifiers are explicitly specified
+dotnet_style_require_accessibility_modifiers = omit_if_default:warning
+#raise a warning on build when default access modifiers are explicitly specified
+dotnet_diagnostic.IDE0040.severity = warning
+
 #don't prefer braces (for one liners)
 dotnet_diagnostic.IDE0011.severity = none
 
diff --git a/OpenRA.sln.DotSettings b/OpenRA.sln.DotSettings
deleted file mode 100644
index d9e7d4be45..0000000000
--- a/OpenRA.sln.DotSettings
+++ /dev/null
@@ -1,4 +0,0 @@
-<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/DEFAULT_PRIVATE_MODIFIER/@EntryValue">Implicit</s:String>
-	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateInstanceFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
-	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PublicFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="AaBb" /&gt;</s:String></wpf:ResourceDictionary>
\ No newline at end of file