diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 57a9319..cd4ea9f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,14 +32,6 @@ jobs:
         java: [temurin@8, temurin@11, temurin@17]
         project: [rootJS, rootJVM, rootNative]
         exclude:
-          - scala: 2.12.17
-            java: temurin@11
-          - scala: 2.12.17
-            java: temurin@17
-          - scala: 3.2.1
-            java: temurin@11
-          - scala: 3.2.1
-            java: temurin@17
           - project: rootJS
             java: temurin@11
           - project: rootJS
@@ -118,10 +110,6 @@ jobs:
       - name: Check that workflows are up to date
         run: sbt githubWorkflowCheck
 
-      - name: Check headers and formatting
-        if: matrix.java == 'temurin@8' && matrix.os == 'ubuntu-latest'
-        run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' headerCheckAll scalafmtCheckAll 'project /' scalafmtSbtCheck
-
       - name: scalaJSLink
         if: matrix.project == 'rootJS'
         run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' Test/scalaJSLinkerResult
diff --git a/project/plugins.sbt b/project/plugins.sbt
index ae15e55..8ec63cf 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -5,7 +5,7 @@ libraryDependencySchemes ++= Seq(
   "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always,
 )
 
-addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion)
+//addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion) // disabled because I don't want headers and formatting checks
 addSbtPlugin("org.typelevel" % "sbt-typelevel-settings" % sbtTypelevelVersion)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-ci-release" % sbtTypelevelVersion)