diff --git a/OpenRA.Mods.Common/Lint/CheckUnknownTraitFields.cs b/OpenRA.Mods.Common/Lint/CheckUnknownTraitFields.cs
index 0f0a96dc77..be4f37e54e 100644
--- a/OpenRA.Mods.Common/Lint/CheckUnknownTraitFields.cs
+++ b/OpenRA.Mods.Common/Lint/CheckUnknownTraitFields.cs
@@ -32,10 +32,15 @@ namespace OpenRA.Mods.Common.Lint
 			{
 				foreach (var t in actor.Value.Nodes)
 				{
-					// Removals can never define children
-					if (t.Key.StartsWith("-", StringComparison.Ordinal) && t.Value.Nodes.Any())
+					// Removals can never define children or values
+					if (t.Key.StartsWith("-", StringComparison.Ordinal))
 					{
-						emitError("{0} defines child nodes, which are not valid for removals.".F(t.Location));
+						if (t.Value.Nodes.Any())
+							emitError("{0} {1} defines child nodes, which are not valid for removals.".F(t.Location, t.Key));
+
+						if (!string.IsNullOrEmpty(t.Value.Value))
+							emitError("{0} {1} defines a value, which is not valid for removals.".F(t.Location, t.Key));
+
 						continue;
 					}
 
diff --git a/OpenRA.Mods.Common/Lint/CheckUnknownWeaponFields.cs b/OpenRA.Mods.Common/Lint/CheckUnknownWeaponFields.cs
index 3f3e7c1657..12b6e6b981 100644
--- a/OpenRA.Mods.Common/Lint/CheckUnknownWeaponFields.cs
+++ b/OpenRA.Mods.Common/Lint/CheckUnknownWeaponFields.cs
@@ -34,10 +34,15 @@ namespace OpenRA.Mods.Common.Lint
 			{
 				foreach (var field in weapon.Value.Nodes)
 				{
-					// Removals can never define children
-					if (field.Key.StartsWith("-", StringComparison.Ordinal) && field.Value.Nodes.Any())
+					// Removals can never define children or values
+					if (field.Key.StartsWith("-", StringComparison.Ordinal))
 					{
-						emitError("{0} has child nodes, which is not valid for removals.".F(field.Key));
+						if (field.Value.Nodes.Any())
+							emitError("{0} {1} defines child nodes, which is not valid for removals.".F(field.Location, field.Key));
+
+						if (!string.IsNullOrEmpty(field.Value.Value))
+							emitError("{0} {1} defines a value, which is not valid for removals.".F(field.Location, field.Key));
+
 						continue;
 					}