diff --git a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/Ivy.scala b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/Ivy.scala
index b5084ffb6..d0218ad9e 100644
--- a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/Ivy.scala
+++ b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/Ivy.scala
@@ -159,15 +159,10 @@ final class IvySbt(val configuration: IvyConfiguration) { self =>
    *
    * @param md - module descriptor of the original Ivy graph.
    */
-  private[sbt] def cleanCachedResolutionCache(md: ModuleDescriptor, log: Logger): Unit =
-    withIvy(log) { i =>
-      val prOpt = Option(i.getSettings.getResolver(ProjectResolver.InterProject)) map {
-        case pr: ProjectResolver => pr
-      }
-      if (configuration.updateOptions.cachedResolution) {
-        IvySbt.cachedResolutionResolveCache.clean(md, prOpt)
-      }
-    }
+  private[sbt] def cleanCachedResolutionCache(md: ModuleDescriptor, log: Logger): Unit = {
+    if (!configuration.updateOptions.cachedResolution) ()
+    else IvySbt.cachedResolutionResolveCache.clean()
+  }
 
   final class Module(rawModuleSettings: ModuleSettings) {
     val moduleSettings: ModuleSettings = IvySbt.substituteCross(rawModuleSettings)
diff --git a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/ivyint/CachedResolutionResolveEngine.scala b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/ivyint/CachedResolutionResolveEngine.scala
index 0b4e2b92a..cfb2cc755 100644
--- a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/ivyint/CachedResolutionResolveEngine.scala
+++ b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/ivyint/CachedResolutionResolveEngine.scala
@@ -64,9 +64,8 @@ private[sbt] class CachedResolutionResolveCache {
   val maxConflictCacheSize: Int = 1024
   val maxUpdateReportCacheSize: Int = 1024
 
-  def clean(md0: ModuleDescriptor, prOpt: Option[ProjectResolver]): Unit = {
-    updateReportCache.clear
-  }
+  def clean(): Unit = updateReportCache.clear
+
   def directDependencies(md0: ModuleDescriptor): Vector[DependencyDescriptor] =
     md0.getDependencies.toVector
   // Returns a vector of (module descriptor, changing, dd)