diff --git a/build.sbt b/build.sbt
index 70834246..1e5e8663 100644
--- a/build.sbt
+++ b/build.sbt
@@ -102,9 +102,6 @@ val sbtplugin = project.enablePlugins(SbtPlugin).dependsOn(core.jvm).settings(co
   scriptedLaunchOpts += s"-Dplugin.version=${version.value}",
   scriptedLaunchOpts += s"-Dsbt.boot.directory=${file(sys.props("user.home")) / ".sbt" / "boot"}",
   MimaSettings.mimaSettings,
-  // remove once there is a previous `_sbt2_3` sbt plugin release
-  mimaFailOnNoPrevious := false,
-  mimaPreviousArtifacts := (if (scalaVersion.value.startsWith("3.8")) Set.empty else mimaPreviousArtifacts.value),
 )
 
 val testFunctional = taskKey[Unit]("Run the functional test")
diff --git a/project/MimaSettings.scala b/project/MimaSettings.scala
index 3868ac36..c75efb0f 100644
--- a/project/MimaSettings.scala
+++ b/project/MimaSettings.scala
@@ -10,7 +10,7 @@ import com.typesafe.tools.mima.plugin.MimaPlugin.autoImport._
 
 object MimaSettings {
   // clear out mimaBinaryIssueFilters when changing this
-  val mimaPreviousVersion = "1.1.4"
+  val mimaPreviousVersion = "1.1.5"
 
   val mimaSettings = Def.settings (
     mimaPreviousArtifacts := Set(pluginProjectID.value.withRevision(mimaPreviousVersion)
@@ -24,10 +24,9 @@ object MimaSettings {
       // * com.typesafe.tools.mima.core.ProblemFilters
       // * com.typesafe.tools.mima.core.*Problem
       // * com.typesafe.tools.mima.core.util.log.Logging
-      exclude[MissingClassProblem]("com.typesafe.tools.mima.plugin.MimaPlugin$EmptyMap"),
-      exclude[MissingClassProblem]("com.typesafe.tools.mima.plugin.MimaPlugin$EmptySet"),
-      exclude[MissingClassProblem]("com.typesafe.tools.mima.plugin.MimaPlugin$NoPreviousArtifacts$"),
-      exclude[MissingClassProblem]("com.typesafe.tools.mima.plugin.MimaPlugin$NoPreviousClassfiles$"),
+
+      // _3 artifact was built with 3.3, mima checking with 3.8 reports a generic signature change (scala3#24684)
+      ProblemFilters.exclude[IncompatibleSignatureProblem]("com.typesafe.tools.mima.core.TastyUnpickler#MethodSignature.copy$default$*"),
     ),
   )
 }
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 654024b9..73b50339 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,7 +7,7 @@ scalacOptions ++= Seq(
 )
 
 addSbtPlugin("com.github.sbt" % "sbt-ci-release"  % "1.11.2")
-addSbtPlugin("com.typesafe"   % "sbt-mima-plugin" % "1.1.4")
+addSbtPlugin("com.typesafe"   % "sbt-mima-plugin" % "1.1.5")
 
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.10")