diff --git a/buildfile/src/main/scala/sbt/internal/parser/SbtParser.scala b/buildfile/src/main/scala/sbt/internal/parser/SbtParser.scala
index 79c8bf1d2..d77ea69d2 100644
--- a/buildfile/src/main/scala/sbt/internal/parser/SbtParser.scala
+++ b/buildfile/src/main/scala/sbt/internal/parser/SbtParser.scala
@@ -11,7 +11,6 @@ package parser
 
 import sbt.internal.util.{ LineRange, MessageOnlyException }
 import sbt.internal.io.Retry
-import java.io.File
 import java.nio.charset.StandardCharsets
 import java.util.concurrent.ConcurrentHashMap
 import sbt.internal.parser.SbtParser.*
diff --git a/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala b/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
index a75d7bb75..1a6fd47b2 100644
--- a/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
+++ b/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
@@ -167,7 +167,7 @@ class FileCommands(baseDirectory: File) extends BasicStatementHandler {
         case paths =>
           val mapped = fromStrings(paths)
           val map = mapper(mapped.last)
-          IO.copy(mapped.init pair map)
+          IO.copy(mapped.init.pair(map))
           ()
       }
 
diff --git a/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala b/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala
index 78f256b86..3ffce7f6b 100644
--- a/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala
+++ b/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala
@@ -15,7 +15,7 @@ import lmcoursier.definitions.{
   Type
 }
 import sbt.internal.librarymanagement.mavenint.SbtPomExtraProperties
-import sbt.librarymanagement.{ Configuration as _, MavenRepository as _, * }
+import sbt.librarymanagement.{ Configuration as _, * }
 
 object FromSbt {
 
diff --git a/lm-coursier/src/main/scala/lmcoursier/internal/Resolvers.scala b/lm-coursier/src/main/scala/lmcoursier/internal/Resolvers.scala
index dcc8d040b..936cef804 100644
--- a/lm-coursier/src/main/scala/lmcoursier/internal/Resolvers.scala
+++ b/lm-coursier/src/main/scala/lmcoursier/internal/Resolvers.scala
@@ -8,7 +8,7 @@ import coursier.core.{ Authentication, Repository }
 import coursier.ivy.IvyRepository
 import coursier.maven.SbtMavenRepository
 import org.apache.ivy.plugins.resolver.IBiblioResolver
-import sbt.librarymanagement.{ Configuration as _, MavenRepository as _, * }
+import sbt.librarymanagement.*
 import sbt.util.Logger
 
 import scala.jdk.CollectionConverters.*
diff --git a/main-actions/src/main/scala/sbt/Mapper.scala b/main-actions/src/main/scala/sbt/Mapper.scala
index 8d2d6b861..ff683047e 100644
--- a/main-actions/src/main/scala/sbt/Mapper.scala
+++ b/main-actions/src/main/scala/sbt/Mapper.scala
@@ -49,8 +49,8 @@ object Mapper:
    */
   def directory(baseDirectory: File)(using conv: FileConverter): Seq[(VirtualFile, String)] =
     Option(baseDirectory.getParentFile)
-      .map(parent => PathFinder(baseDirectory).allPaths pair relativeTo(parent))
-      .getOrElse(PathFinder(baseDirectory).allPaths pair basic)
+      .map(parent => PathFinder(baseDirectory).allPaths.pair(relativeTo(parent)))
+      .getOrElse(PathFinder(baseDirectory).allPaths.pair(basic))
       .map { (f, s) => conv.toVirtualFile(f.toPath) -> s }
 
   /**
diff --git a/main-settings/src/main/scala/sbt/Reference.scala b/main-settings/src/main/scala/sbt/Reference.scala
index eb5682e43..600211572 100644
--- a/main-settings/src/main/scala/sbt/Reference.scala
+++ b/main-settings/src/main/scala/sbt/Reference.scala
@@ -75,12 +75,12 @@ case object ThisProject extends ProjectReference
 case object LocalAggregate extends ProjectReference
 
 object ProjectRef {
-  def apply(base: File, id: String): ProjectRef = ProjectRef(IO toURI base, id)
+  def apply(base: File, id: String): ProjectRef = ProjectRef(IO.toURI(base), id)
 }
 object RootProject {
 
   /** Reference to the root project at 'base'. */
-  def apply(base: File): RootProject = RootProject(IO toURI base)
+  def apply(base: File): RootProject = RootProject(IO.toURI(base))
 }
 object Reference {
   given resolvedReferenceOrdering: Ordering[ResolvedReference] = {
diff --git a/main/src/main/scala/sbt/EvaluateTask.scala b/main/src/main/scala/sbt/EvaluateTask.scala
index 73f4ed550..a7eb82ba8 100644
--- a/main/src/main/scala/sbt/EvaluateTask.scala
+++ b/main/src/main/scala/sbt/EvaluateTask.scala
@@ -12,7 +12,7 @@ import java.io.File
 import java.util.concurrent.atomic.AtomicReference
 
 import sbt.Def.{ ScopedKey, Setting, dummyState }
-import sbt.Keys.{ TaskProgress as _, name as _, * }
+import sbt.Keys.{ name as _, * }
 import sbt.BuildExtra.*
 import sbt.ProjectExtra.*
 import sbt.Scope.Global
diff --git a/main/src/main/scala/sbt/internal/Continuous.scala b/main/src/main/scala/sbt/internal/Continuous.scala
index c11088c10..e9573a12a 100644
--- a/main/src/main/scala/sbt/internal/Continuous.scala
+++ b/main/src/main/scala/sbt/internal/Continuous.scala
@@ -9,7 +9,7 @@
 package sbt
 package internal
 
-import java.io.{ ByteArrayInputStream, IOException, InputStream, File as _ }
+import java.io.{ ByteArrayInputStream, IOException, InputStream }
 import java.nio.file.Path
 import java.util.concurrent.{
   ConcurrentHashMap,
diff --git a/main/src/main/scala/sbt/internal/DynamicInput.scala b/main/src/main/scala/sbt/internal/DynamicInput.scala
index bff999c56..92d428644 100644
--- a/main/src/main/scala/sbt/internal/DynamicInput.scala
+++ b/main/src/main/scala/sbt/internal/DynamicInput.scala
@@ -9,8 +9,6 @@
 package sbt
 package internal
 
-import java.nio.file.{ WatchService as _ }
-
 import sbt.nio.FileStamper
 import sbt.nio.file.Glob
 
diff --git a/main/src/main/scala/sbt/internal/Load.scala b/main/src/main/scala/sbt/internal/Load.scala
index fe755c7aa..c6a2fd4ac 100755
--- a/main/src/main/scala/sbt/internal/Load.scala
+++ b/main/src/main/scala/sbt/internal/Load.scala
@@ -654,7 +654,7 @@ private[sbt] object Load {
     if (base.isFile)
       sys.error("Not a directory: " + base)
     else if (!base.exists)
-      IO createDirectory base
+      IO.createDirectory(base)
   }
 
   def checkAll(
diff --git a/main/src/main/scala/sbt/internal/SettingGraph.scala b/main/src/main/scala/sbt/internal/SettingGraph.scala
index 334562b18..cc27a5ca4 100644
--- a/main/src/main/scala/sbt/internal/SettingGraph.scala
+++ b/main/src/main/scala/sbt/internal/SettingGraph.scala
@@ -13,7 +13,6 @@ import sbt.util.Show
 import java.io.File
 
 import Def.{ ScopedKey, compiled, flattenLocals }
-import Predef.{ any2stringadd as _, * }
 import sbt.ProjectExtra.scopedKeyData
 import sbt.io.IO