diff --git a/modules/lm-coursier/src/main/scala/lmcoursier/credentials/Credentials.scala b/modules/lm-coursier/src/main/scala/lmcoursier/credentials/Credentials.scala
index 47df861d8..8557ba188 100644
--- a/modules/lm-coursier/src/main/scala/lmcoursier/credentials/Credentials.scala
+++ b/modules/lm-coursier/src/main/scala/lmcoursier/credentials/Credentials.scala
@@ -2,10 +2,7 @@ package lmcoursier.credentials
 
 import java.io.File
 
-abstract class Credentials extends Serializable {
-  // calling this may incur I/O
-  def get(): Seq[DirectCredentials]
-}
+abstract class Credentials extends Serializable
 
 object Credentials {
 
diff --git a/modules/lm-coursier/src/main/scala/lmcoursier/credentials/DirectCredentials.scala b/modules/lm-coursier/src/main/scala/lmcoursier/credentials/DirectCredentials.scala
index e05cbe93c..d18b1bfe5 100644
--- a/modules/lm-coursier/src/main/scala/lmcoursier/credentials/DirectCredentials.scala
+++ b/modules/lm-coursier/src/main/scala/lmcoursier/credentials/DirectCredentials.scala
@@ -1,7 +1,5 @@
 package lmcoursier.credentials
 
-import java.net.URI
-
 final class DirectCredentials private(
   val host: String,
   val username: String,
@@ -52,32 +50,6 @@ final class DirectCredentials private(
     copy(matchHost = matchHost)
   def withHttpsOnly(httpsOnly: Boolean): DirectCredentials =
     copy(httpsOnly = httpsOnly)
-
-  def autoMatches(url: String, realm0: Option[String]): Boolean =
-    matchHost && {
-      val uri = new URI(url)
-      val schemeOpt = Option(uri.getScheme)
-      val hostOpt = Option(uri.getHost)
-      ((schemeOpt.contains("http") && !httpsOnly) || schemeOpt.contains("https")) &&
-        hostOpt.contains(host) &&
-        realm.forall(realm0.contains)
-    }
-
-  def matches(url: String, user: String): Boolean = {
-    val uri = new URI(url)
-    val schemeOpt = Option(uri.getScheme)
-    val hostOpt = Option(uri.getHost)
-    val userInfoOpt = Option(uri.getUserInfo)
-    // !matchHost && // ?
-    userInfoOpt.isEmpty &&
-      ((schemeOpt.contains("http") && !httpsOnly) || schemeOpt.contains("https")) &&
-      hostOpt.contains(host) &&
-      user == username
-  }
-
-  def get(): Seq[DirectCredentials] =
-    Seq(this)
-
 }
 object DirectCredentials {
 
diff --git a/modules/lm-coursier/src/main/scala/lmcoursier/credentials/FileCredentials.scala b/modules/lm-coursier/src/main/scala/lmcoursier/credentials/FileCredentials.scala
index ab4d8e100..073bb9690 100644
--- a/modules/lm-coursier/src/main/scala/lmcoursier/credentials/FileCredentials.scala
+++ b/modules/lm-coursier/src/main/scala/lmcoursier/credentials/FileCredentials.scala
@@ -1,10 +1,5 @@
 package lmcoursier.credentials
 
-import java.io.{File, FileInputStream}
-import java.util.Properties
-
-import scala.collection.JavaConverters._
-
 final class FileCredentials private(
   val path: String,
   val optional: Boolean
@@ -31,59 +26,6 @@ final class FileCredentials private(
   def withOptional(optional: Boolean): FileCredentials = {
     copy(optional = optional)
   }
-
-  def get(): Seq[DirectCredentials] = {
-
-    val f = new File(path)
-
-    if (f.isFile) {
-
-      val props = new Properties
-
-      var fis: FileInputStream = null
-      try {
-        fis = new FileInputStream(f)
-        props.load(fis)
-      } finally {
-        if (fis != null)
-          fis.close()
-      }
-
-      val userProps = props
-        .propertyNames()
-        .asScala
-        .map(_.asInstanceOf[String])
-        .filter(_.endsWith(".username"))
-        .toVector
-
-      userProps.map { userProp =>
-        val prefix = userProp.stripSuffix(".username")
-
-        val user = props.getProperty(userProp)
-        val password = Option(props.getProperty(s"$prefix.password")).getOrElse {
-          throw new Exception(s"Property $prefix.password not found in $path")
-        }
-
-        val host = Option(props.getProperty(s"$prefix.host")).getOrElse {
-          throw new Exception(s"Property $prefix.host not found in $path")
-        }
-
-        val realmOpt = Option(props.getProperty(s"$prefix.realm")) // filter if empty?
-
-        val matchHost = Option(props.getProperty(s"$prefix.auto")).fold(false)(_.toBoolean)
-        val httpsOnly = Option(props.getProperty(s"$prefix.https-only")).fold(true)(_.toBoolean)
-
-        DirectCredentials(host, user, password)
-          .withRealm(realmOpt)
-          .withMatchHost(matchHost)
-          .withHttpsOnly(httpsOnly)
-      }
-
-    } else if (optional)
-      Nil
-    else
-      throw new Exception(s"Credential file $path not found")
-  }
 }
 object FileCredentials {
 
diff --git a/project/Mima.scala b/project/Mima.scala
index 8e338d2f9..258bc7831 100644
--- a/project/Mima.scala
+++ b/project/Mima.scala
@@ -37,6 +37,12 @@ object Mima {
       import com.typesafe.tools.mima.core._
 
       Seq(
+        // Methods that shouldn't have been there
+        ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.FileCredentials.get"),
+        ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.DirectCredentials.matches"),
+        ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.DirectCredentials.get"),
+        ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.DirectCredentials.autoMatches"),
+        ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.Credentials.get"),
         // Removed unused method, shouldn't have been there in the first place
         ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.DirectCredentials.authentication"),
         // ignore shaded and internal stuff related errors