don't use projectmatrix on interfaces as it's not cross-built

build.sbt

@@ -24,7 +24,7 @@ def inferJavaHome() = {
   Some(actualHome)
 }
 
-lazy val interfaces = projectMatrix
+lazy val interfaces = project
   .in(file("scalafix-interfaces"))
   .settings(
     Compile / resourceGenerators += Def.task {
@@ -49,11 +49,8 @@ lazy val interfaces = projectMatrix
     (Compile / doc / javaHome) := inferJavaHome(),
     libraryDependencies += coursierInterfaces,
     moduleName := "scalafix-interfaces",
-    crossPaths := false,
     autoScalaLibrary := false
   )
-  .defaultAxes(VirtualAxis.jvm)
-  .jvmPlatform(false)
   .disablePlugins(ScalafixPlugin)
 
 lazy val core = projectMatrix
@@ -164,7 +161,8 @@ lazy val cli = projectMatrix
   )
   .defaultAxes(VirtualAxis.jvm)
   .jvmPlatform(buildScalaVersions)
-  .dependsOn(reflect, interfaces, rules)
+  .dependsOn(interfaces)
+  .dependsOn(reflect, rules)
 
 lazy val testkit = projectMatrix
   .in(file("scalafix-testkit"))