diff --git a/src/tools/illink/src/linker/Linker/TypeMapInfo.cs b/src/tools/illink/src/linker/Linker/TypeMapInfo.cs
index a2f118adf9fb7..a64f4f60016a2 100644
--- a/src/tools/illink/src/linker/Linker/TypeMapInfo.cs
+++ b/src/tools/illink/src/linker/Linker/TypeMapInfo.cs
@@ -32,6 +32,7 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 using Mono.Cecil;
 
 namespace Mono.Linker
@@ -293,6 +294,18 @@ void FindAndAddDefaultInterfaceImplementations (TypeDefinition type, MethodDefin
 				if (potentialImplInterface == null)
 					continue;
 
+				// If the interface doesn't implement the interface with the method we're looking for, exit early
+				bool potentialImplInterfaceImplementsInterface = false;
+				foreach (var iface in potentialImplInterface.Interfaces) {
+					if (context.TryResolve (iface.InterfaceType) == interfaceMethod.DeclaringType)
+					{
+						potentialImplInterfaceImplementsInterface = true;
+						break;
+					}
+				}
+				if (!potentialImplInterfaceImplementsInterface)
+					continue;
+
 				bool foundImpl = false;
 
 				foreach (var potentialImplMethod in potentialImplInterface.Methods) {