diff --git a/IPA.Loader/Loader/PluginLoader.cs b/IPA.Loader/Loader/PluginLoader.cs
index d1a01b33..3c9bff2a 100644
--- a/IPA.Loader/Loader/PluginLoader.cs
+++ b/IPA.Loader/Loader/PluginLoader.cs
@@ -40,6 +40,7 @@ namespace IPA.Loader
             Resolve();
             ComputeLoadOrder();
             FilterDisabled();
+            FilterWithoutFiles();
 
             ResolveDependencies();
         });
@@ -232,6 +233,10 @@ namespace IPA.Loader
 
                     metadata.Manifest = JsonConvert.DeserializeObject<PluginManifest>(File.ReadAllText(manifest));
 
+                    if (metadata.Manifest.Files.Length < 1)
+                        Logger.loader.Warn($"Bare manifest {Path.GetFileName(manifest)} does not declare any files. " +
+                            $"Dependency resolution and verification cannot be completed.");
+
                     Logger.loader.Debug($"Adding info for bare manifest {Path.GetFileName(manifest)}");
                     PluginsMetadata.Add(metadata);
                 }
@@ -286,7 +291,8 @@ namespace IPA.Loader
         internal enum Reason
         {
             Error, Duplicate, Conflict, Dependency,
-            Released, Feature, Unsupported
+            Released, Feature, Unsupported,
+            MissingFiles
         }
         internal struct IgnoreReason
         {
@@ -401,6 +407,35 @@ namespace IPA.Loader
             PluginsMetadata = enabled;
         }
 
+        private static void FilterWithoutFiles()
+        {
+            var enabled = new List<PluginMetadata>(PluginsMetadata.Count);
+
+            foreach (var meta in PluginsMetadata)
+            {
+                var passed = true;
+                foreach (var file in meta.AssociatedFiles)
+                {
+                    if (!file.Exists)
+                    {
+                        passed = false;
+                        ignoredPlugins.Add(meta, new IgnoreReason(Reason.MissingFiles)
+                        {
+                            ReasonText = $"File {Utils.GetRelativePath(file.FullName, UnityGame.InstallPath)} (declared by {meta.Name}) does not exist"
+                        });
+                        Logger.loader.Warn($"File {Utils.GetRelativePath(file.FullName, UnityGame.InstallPath)}" +
+                            $" (declared by {meta.Name}) does not exist! Mod installation is incomplete, not loading it.");
+                        break;
+                    }
+                }
+
+                if (passed)
+                    enabled.Add(meta);
+            }
+
+            PluginsMetadata = enabled;
+        }
+
         internal static void ComputeLoadOrder()
         {
 #if DEBUG
diff --git a/IPA.Loader/Loader/PluginManager.cs b/IPA.Loader/Loader/PluginManager.cs
index d872892a..1468a954 100644
--- a/IPA.Loader/Loader/PluginManager.cs
+++ b/IPA.Loader/Loader/PluginManager.cs
@@ -292,16 +292,15 @@ namespace IPA.Loader
             else
             {
                 foreach (string plugin in Directory.GetFiles(cacheDir, "*"))
-                {
                     File.Delete(plugin);
-                }
             }
 
             // initialize BSIPA plugins first
             _bsPlugins.AddRange(PluginLoader.LoadPlugins());
 
             var metadataPaths = PluginLoader.PluginsMetadata.Select(m => m.File.FullName).ToList();
-            var ignoredPaths = PluginLoader.ignoredPlugins.Select(m => m.Key.File.FullName).ToList();
+            var ignoredPaths = PluginLoader.ignoredPlugins.Select(m => m.Key.File.FullName)
+                .Concat(PluginLoader.ignoredPlugins.SelectMany(m => m.Key.AssociatedFiles.Select(f => f.FullName))).ToList();
             var disabledPaths = DisabledPlugins.Select(m => m.File.FullName).ToList();
 
             //Copy plugins to .cache
@@ -328,8 +327,6 @@ namespace IPA.Loader
                 { // fix type references
                     if (@ref.FullName == "IllusionPlugin.IPlugin") @ref.Namespace = "IPA.Old"; //@ref.Name = "";
                     if (@ref.FullName == "IllusionPlugin.IEnhancedPlugin") @ref.Namespace = "IPA.Old"; //@ref.Name = "";
-                    if (@ref.FullName == "IllusionPlugin.IBeatSaberPlugin") { @ref.Namespace = "IPA"; @ref.Name = nameof(IPlugin); }
-                    if (@ref.FullName == "IllusionPlugin.IEnhancedBeatSaberPlugin") { @ref.Namespace = "IPA"; @ref.Name = nameof(IEnhancedPlugin); }
                     if (@ref.FullName == "IllusionPlugin.IniFile") @ref.Namespace = "IPA.Config"; //@ref.Name = "";
                     if (@ref.FullName == "IllusionPlugin.IModPrefs") @ref.Namespace = "IPA.Config"; //@ref.Name = "";
                     if (@ref.FullName == "IllusionPlugin.ModPrefs") @ref.Namespace = "IPA.Config"; //@ref.Name = "";
diff --git a/IPA.Loader/Loader/PluginManifest.cs b/IPA.Loader/Loader/PluginManifest.cs
index d0eba0f4..f36f6e9d 100644
--- a/IPA.Loader/Loader/PluginManifest.cs
+++ b/IPA.Loader/Loader/PluginManifest.cs
@@ -51,6 +51,9 @@ namespace IPA.Loader
         [JsonProperty("icon", Required = Required.DisallowNull)]
         public string IconPath = null;
 
+        [JsonProperty("files", Required = Required.DisallowNull)]
+        public string[] Files = Array.Empty<string>();
+
         [Serializable]
         public class LinksObject
         {
diff --git a/IPA.Loader/Loader/PluginMetadata.cs b/IPA.Loader/Loader/PluginMetadata.cs
index af1f31d0..fea9a182 100644
--- a/IPA.Loader/Loader/PluginMetadata.cs
+++ b/IPA.Loader/Loader/PluginMetadata.cs
@@ -3,6 +3,7 @@ using IPA.Utilities;
 using Mono.Cecil;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Reflection;
 using Version = SemVer.Version;
 #if NET3
@@ -61,6 +62,12 @@ namespace IPA.Loader
 
         internal readonly List<Feature> InternalFeatures = new List<Feature>();
 
+        /// <summary>
+        /// A list of files (that aren't <see cref="File"/>) that are associated with this plugin.
+        /// </summary>
+        /// <value>a list of associated files</value>
+        public IReadOnlyList<FileInfo> AssociatedFiles { get; private set; }
+
         internal bool IsSelf;
 
         /// <summary>
@@ -82,6 +89,9 @@ namespace IPA.Loader
                 Name = value.Name;
                 Version = value.Version;
                 Id = value.Id;
+                AssociatedFiles = value.Files
+                    .Select(f => Path.Combine(UnityGame.InstallPath, f))
+                    .Select(p => new FileInfo(p)).ToList();
             }
         }