diff --git a/build.sbt b/build.sbt
index 63921f9..135d9c8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ ThisBuild / organizationHomepage := Some(url("http://scala-sbt.org/"))
 ThisBuild / homepage := Some(url("https://github.com/sbt/sbinary"))
 ThisBuild / version := "0.5.2-SNAPSHOT"
 ThisBuild / scalaVersion := scala212
-ThisBuild / crossScalaVersions := Seq(scala210, scala211, scala212, scala213, scala3)
+ThisBuild / crossScalaVersions := Seq(scala212, scala213, scala3)
 ThisBuild / developers := List(
   Developer(
     "drmaciver",
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 9838d0e..c58ed7e 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -2,25 +2,16 @@ import sbt._
 import Keys._
 
 object Dependencies {
-  val scala210 = "2.10.7"
-  val scala211 = "2.11.12"
   val scala212 = "2.12.17"
   val scala213 = "2.13.10"
   val scala3 = "3.2.1"
 
   val scalacheck = Def.setting {
-    scalaBinaryVersion.value match {
-      case "2.10" | "2.11" =>
-        "org.scalacheck" %% "scalacheck" % "1.14.3"
-      case _ =>
-        "org.scalacheck" %% "scalacheck" % "1.15.4"
-    }
+    "org.scalacheck" %% "scalacheck" % "1.15.4"
   }
   def scalaXmlDep(scalaV: String): List[ModuleID] =
     CrossVersion.partialVersion(scalaV) match {
-      case Some((2, minor)) if minor <= 10 =>
-        Nil
-      case Some((2, 11 | 12)) =>
+      case Some((2, 12)) =>
         List("org.scala-lang.modules" %% "scala-xml" % "1.0.6")
       case Some((2, 13)) =>
         List("org.scala-lang.modules" %% "scala-xml" % "1.2.0")
diff --git a/project/HouseRulesPlugins.scala b/project/HouseRulesPlugins.scala
index 363e808..f5213ca 100644
--- a/project/HouseRulesPlugins.scala
+++ b/project/HouseRulesPlugins.scala
@@ -26,7 +26,6 @@ object HouseRulesPlugin extends AutoPlugin {
       })
       .value
       .toList,
-    scalacOptions ++= "-Yinline-warnings".ifScala211OrMinus.value.toList,
     scalacOptions ++= "-Yno-adapted-args".ifScala212OrMinus.value.toList,
     scalacOptions += "-Ywarn-dead-code",
     scalacOptions += "-Ywarn-numeric-widen",
@@ -43,8 +42,6 @@ object HouseRulesPlugin extends AutoPlugin {
       Def setting (scalaPartV.value collect { case (2, y) if p(y) => __x })
     def ifScalaLte(v: Long) = ifScala(_ <= v)
     def ifScalaGte(v: Long) = ifScala(_ >= v)
-    def ifScala211OrMinus = ifScalaLte(11)
-    def ifScala211OrPlus = ifScalaGte(11)
     def ifScala212OrMinus = ifScalaLte(12)
     def ifScala213OrMinus = ifScalaLte(13)
   }