diff --git a/backend/mirai-console/src/internal/MiraiConsoleImplementationBridge.kt b/backend/mirai-console/src/internal/MiraiConsoleImplementationBridge.kt
index 8db5fa58d..3904fa52d 100644
--- a/backend/mirai-console/src/internal/MiraiConsoleImplementationBridge.kt
+++ b/backend/mirai-console/src/internal/MiraiConsoleImplementationBridge.kt
@@ -70,7 +70,7 @@ internal object MiraiConsoleImplementationBridge : CoroutineScope, MiraiConsoleI
     MiraiConsole {
     override val pluginCenter: PluginCenter get() = throw UnsupportedOperationException("PluginCenter is not supported yet")
 
-    internal val instance: MiraiConsoleImplementation by MiraiConsoleImplementation.Companion::instance
+    private val instance: MiraiConsoleImplementation by MiraiConsoleImplementation.Companion::instance
     override val buildDate: Instant by MiraiConsoleBuildConstants::buildDate
     override val version: SemVersion by MiraiConsoleBuildConstants::version
     override val rootPath: Path by instance::rootPath
diff --git a/backend/mirai-console/src/internal/data/MultiFilePluginDataStorageImpl.kt b/backend/mirai-console/src/internal/data/MultiFilePluginDataStorageImpl.kt
index e27a62041..a9e9a1f2c 100644
--- a/backend/mirai-console/src/internal/data/MultiFilePluginDataStorageImpl.kt
+++ b/backend/mirai-console/src/internal/data/MultiFilePluginDataStorageImpl.kt
@@ -12,7 +12,6 @@ package net.mamoe.mirai.console.internal.data
 import kotlinx.serialization.json.Json
 import net.mamoe.mirai.console.MiraiConsole
 import net.mamoe.mirai.console.data.*
-import net.mamoe.mirai.console.internal.util.report.ReportGenerator
 import net.mamoe.mirai.console.util.ConsoleExperimentalApi
 import net.mamoe.mirai.utils.MiraiLogger
 import net.mamoe.mirai.utils.SilentLogger
@@ -72,39 +71,17 @@ internal open class MultiFilePluginDataStorageImpl(
 
     @ConsoleExperimentalApi
     public override fun store(holder: PluginDataHolder, instance: PluginData) {
-        var yamlRendered: String? = null
         getPluginDataFile(holder, instance).writeText(
             kotlin.runCatching {
                 yaml.encodeToString(instance.updaterSerializer, Unit).also {
-                    yamlRendered = it
                     yaml.decodeAnyFromString(it) // test yaml
                 }
-            }.recoverCatching { exception ->
+            }.recoverCatching {
                 // Just use mainLogger for convenience.
                 MiraiConsole.mainLogger.warning(
                     "Could not save ${instance.saveName} in YAML format due to exception in YAML encoder. " +
                         "Please report this exception and relevant configurations to https://github.com/mamoe/mirai-console/issues/new",
-                    exception
-                )
-                val reportPath = ReportGenerator.generateReport("YamlKt-Format-") {
-                    pw.println("Could not save ${instance.saveName} in YAML format due to exception in YAML encoder. ")
-                    pw.println("Please report this exception and relevant configurations to https://github.com/mamoe/mirai-console/issues/new")
-                    pw.println()
-                    yamlRendered?.let {
-                        title("Rendered YAML")
-                        pw.println(it)
-                        pw.println()
-                    }
-                    title("Exception")
-                    renderException(exception)
-                    renderCurrentThread()
-                }
-                MiraiConsole.mainLogger.warning(
-                    "Could not save ${instance.saveName} in YAML format due to exception in YAML encoder. " +
-                        "Please report this exception and relevant configurations to https://github.com/mamoe/mirai-console/issues/new"
-                )
-                MiraiConsole.mainLogger.warning(
-                    "Error Report location: $reportPath"
+                    it
                 )
                 json.encodeToString(instance.updaterSerializer, Unit)
             }.getOrElse {
diff --git a/backend/mirai-console/src/internal/util/report/ReportGenerator.kt b/backend/mirai-console/src/internal/util/report/ReportGenerator.kt
deleted file mode 100644
index 35f3b9442..000000000
--- a/backend/mirai-console/src/internal/util/report/ReportGenerator.kt
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found through the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-package net.mamoe.mirai.console.internal.util.report
-
-import net.mamoe.mirai.console.MiraiConsole
-import net.mamoe.mirai.console.internal.MiraiConsoleBuildConstants
-import net.mamoe.mirai.console.internal.MiraiConsoleImplementationBridge
-import net.mamoe.mirai.console.internal.data.isDirectory
-import net.mamoe.mirai.console.internal.data.isFile
-import net.mamoe.mirai.console.internal.data.mkdir
-import net.mamoe.mirai.console.internal.plugin.PluginManagerImpl
-import net.mamoe.mirai.console.permission.PermissionService
-import net.mamoe.mirai.console.plugin.PluginManager.INSTANCE.description
-import java.io.*
-import java.lang.management.LockInfo
-import java.lang.management.ManagementFactory
-import java.lang.management.MonitorInfo
-import java.lang.management.ThreadInfo
-import java.nio.file.Files
-import java.nio.file.Path
-import java.time.ZoneId
-import java.time.format.DateTimeFormatter
-
-@Suppress("unused")
-internal class ReportGenerator(
-    val pw: PrintWriter
-) : Closeable {
-    companion object {
-        internal val threadMXBean = ManagementFactory.getThreadMXBean()
-        internal val directory by lazy {
-            MiraiConsole.rootPath.resolve("error-reports")
-        }
-
-        fun ThreadInfo.dumpTo(sb: Appendable) {
-            sb.run {
-                append('\"')
-                append(threadName)
-                append("\" Id=")
-                append(threadId.toString())
-                append(" ")
-                append(threadState.toString())
-
-                lockName?.let { append(" on ").append(it) }
-                lockOwnerName?.let { append(" owned by \"").append(it).append("\" Id=").append(lockOwnerId.toString()) }
-                if (isSuspended) {
-                    sb.append(" (suspended)")
-                }
-                if (isInNative) {
-                    sb.append(" (in native)")
-                }
-                sb.append('\n')
-                var i = 0
-                while (i < stackTrace.size) {
-                    val ste: StackTraceElement = stackTrace[i]
-                    sb.append("\tat $ste")
-                    sb.append('\n')
-                    if (i == 0 && lockInfo != null) {
-                        when (threadState) {
-                            Thread.State.BLOCKED -> {
-                                sb.append("\t-  blocked on $lockInfo")
-                                sb.append('\n')
-                            }
-                            Thread.State.WAITING -> {
-                                sb.append("\t-  waiting on $lockInfo")
-                                sb.append('\n')
-                            }
-                            Thread.State.TIMED_WAITING -> {
-                                sb.append("\t-  waiting on $lockInfo")
-                                sb.append('\n')
-                            }
-                            else -> {
-                            }
-                        }
-                    }
-                    for (mi: MonitorInfo in lockedMonitors) {
-                        if (mi.lockedStackDepth == i) {
-                            sb.append("\t-  locked $mi")
-                            sb.append('\n')
-                        }
-                    }
-                    i++
-                }
-                val locks: Array<LockInfo> = lockedSynchronizers
-                if (locks.isNotEmpty()) {
-                    sb.append("\n\tNumber of locked synchronizers = " + locks.size)
-                    sb.append('\n')
-                    for (li: LockInfo in locks) {
-                        sb.append("\t- $li")
-                        sb.append('\n')
-                    }
-                }
-            }
-        }
-
-        fun generateToString(action: ReportGenerator.() -> Unit): String {
-            return StringWriter().apply {
-                ReportGenerator(PrintWriter(this)).use(action)
-            }.toString()
-        }
-
-        fun generateReport(
-            prefix: String = "",
-            action: ReportGenerator.() -> Unit
-        ): Path {
-            val now = System.currentTimeMillis()
-            var counter = 0
-            var outputName = "$prefix$now.log"
-            directory.mkdir()
-            var path: Path
-            do {
-                path = directory.resolve(outputName)
-                if (!path.isFile && !path.isDirectory) {
-                    break
-                }
-                outputName = "$prefix$now-$counter.log"
-                counter++
-            } while (true)
-            ReportGenerator(PrintWriter(BufferedWriter(OutputStreamWriter(Files.newOutputStream(path)))))
-                .use(action)
-            return path
-        }
-    }
-
-    fun renderCurrentThread() {
-        title("Current Thread")
-        renderThread(Thread.currentThread())
-    }
-
-    fun renderThread(thread: Thread) {
-        threadMXBean.getThreadInfo(
-            longArrayOf(thread.id),
-            true,
-            true
-        )[0].dumpTo(pw)
-    }
-
-    fun title(title: String) {
-        pw.append("=============== [ ").append(title).append(" ] ===============")
-        pw.println()
-    }
-
-    fun dumpSystemEnv() {
-        title("System Env")
-
-        pw.println("SysEnv")
-        pw.println()
-        pw.println("```")
-        System.getenv().forEach { (key, value) ->
-            pw.println("$key\t=\t$value")
-        }
-        pw.println("```")
-        pw.println()
-        pw.println("JavaProp")
-        pw.println()
-        pw.println("```")
-        System.getProperties().store(pw, null)
-        pw.println("```")
-        pw.println()
-    }
-
-    fun dumpConsoleEnv() {
-        title("Mirai Console Env")
-        val buildDateFormatted =
-            MiraiConsoleBuildConstants.buildDate.atZone(ZoneId.systemDefault())
-                .format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))
-        pw.append("MiraiConsole v${MiraiConsoleBuildConstants.versionConst}, built on ")
-            .append(buildDateFormatted)
-            .append(".\n")
-        pw.println("FrontEnd:")
-        pw.append("\t").println(MiraiConsoleImplementationBridge.instance.javaClass.name)
-        pw.append("\t").println(MiraiConsoleImplementationBridge.frontEndDescription.render())
-        pw.println()
-        pw.println("Plugins:")
-        PluginManagerImpl.resolvedPlugins.forEach { plugin ->
-            val desc = plugin.description
-            pw.append("\t").append(desc.name).append(" v").append(desc.version.toString()).append(" by ").append(desc.author).println()
-            pw.append("\t\t `-- ").println(plugin.javaClass.name)
-        }
-        pw.println()
-        pw.println("PermissionService: ")
-        pw.append("\t").println(PermissionService.INSTANCE)
-        pw.append("\t\t`- ").println(PermissionService.INSTANCE.javaClass)
-    }
-
-    fun renderException(throwable: Throwable) {
-        throwable.printStackTrace(pw)
-        pw.println()
-    }
-
-    fun hr() {
-        pw.println("====================================================")
-    }
-
-    override fun close() {
-        pw.close()
-    }
-}
\ No newline at end of file