diff --git a/avrohugger-core/src/main/scala/format/specific/SpecificImporter.scala b/avrohugger-core/src/main/scala/format/specific/SpecificImporter.scala
index 7207cb50..d057004c 100644
--- a/avrohugger-core/src/main/scala/format/specific/SpecificImporter.scala
+++ b/avrohugger-core/src/main/scala/format/specific/SpecificImporter.scala
@@ -25,8 +25,7 @@ object SpecificImporter extends Importer {
 
     val switchAnnotSymbol = RootClass.newClass("scala.annotation.switch")
     val switchImport = IMPORT(switchAnnotSymbol)
-    val topLevelSchemas =
-      getTopLevelSchemas(schemaOrProtocol, schemaStore, typeMatcher)
+    val topLevelSchemas = getTopLevelSchemas(schemaOrProtocol, schemaStore, typeMatcher)
     val recordSchemas = getRecordSchemas(topLevelSchemas)
     val enumSchemas = getEnumSchemas(topLevelSchemas)
     val userDefinedDeps = getUserDefinedImports(recordSchemas ++ enumSchemas, currentNamespace, typeMatcher)
@@ -42,7 +41,6 @@ object SpecificImporter extends Importer {
         else libraryDeps ++ userDefinedDeps
       }
       case Right(protocol) => {
-        val types = protocol.getTypes().asScala.toList
         val messages = protocol.getMessages.asScala.toMap
         if (messages.isEmpty) switchImport :: libraryDeps ::: userDefinedDeps // for ADT
         else List.empty // for RPC
diff --git a/avrohugger-core/src/main/scala/input/parsers/FileInputParser.scala b/avrohugger-core/src/main/scala/input/parsers/FileInputParser.scala
index 022290be..38602de7 100644
--- a/avrohugger-core/src/main/scala/input/parsers/FileInputParser.scala
+++ b/avrohugger-core/src/main/scala/input/parsers/FileInputParser.scala
@@ -19,7 +19,7 @@ import scala.util.Try
 class FileInputParser {
 
   var processedFiles: Set[String] = Set.empty
-  var processedSchemas: Set[Either[Schema, Protocol]] = Set.empty
+  var processedSchemas: Set[Schema] = Set.empty
 
   def getSchemaOrProtocols(
     infile: File,
@@ -110,13 +110,7 @@ class FileInputParser {
           }
         }
 
-        def stripImports(
-          protocol: Protocol,
-          importedSchemaOrProtocols: Set[Either[Schema, Protocol]]) = {
-          val imported = importedSchemaOrProtocols.flatMap {
-            case Left(importedSchema) => List(importedSchema)
-            case Right(importedProtocol) => importedProtocol.getTypes().asScala
-          }
+        def stripImports(protocol: Protocol, imported: Set[Schema]) = {
           val types = protocol.getTypes().asScala.toList
           val localTypes = types.filterNot(imported.contains)
           protocol.setTypes(localTypes.asJava)
@@ -132,7 +126,10 @@ class FileInputParser {
             |".avsc" for plain text json files, ".avdl" for IDL files, or .avro
             |for binary.""".trim.stripMargin)
     }
-    res.foreach(processedSchemas += _)
+    res.foreach {
+      case Left(importedSchema) => processedSchemas += importedSchema
+      case Right(importedProtocol) => processedSchemas ++= importedProtocol.getTypes().asScala
+    }
     res
   }
 }
\ No newline at end of file
diff --git a/avrohugger-core/src/main/scala/input/parsers/IdlImportParser.scala b/avrohugger-core/src/main/scala/input/parsers/IdlImportParser.scala
index 0508a31e..61289dc0 100644
--- a/avrohugger-core/src/main/scala/input/parsers/IdlImportParser.scala
+++ b/avrohugger-core/src/main/scala/input/parsers/IdlImportParser.scala
@@ -2,13 +2,11 @@ package avrohugger
 package input
 package parsers
 
-import org.apache.avro.{ Protocol, Schema }
-
 import java.io.File
 import scala.util.matching.Regex.Match
 
 object IdlImportParser {
-  
+
   def stripComments(fileContents: String): String = {
     val multiLinePattern = """/\*.*\*/""".r
     val singleLinePattern = """//.*$""".r
@@ -29,13 +27,14 @@ object IdlImportParser {
         // if file is empty, try again, it was there when we read idl
         if (fileContents.isEmpty && (count < maxTries)) readFile(infile)
         else fileContents
-      } catch {// if file is not found, try again, it was there when we read idl
+      } catch { // if file is not found, try again, it was there when we read idl
         case e: java.io.FileNotFoundException => {
           if (count < maxTries) readFile(infile)
           else sys.error("File to found: " + infile)
         }
       }
     }
+
     val path = infile.getParent + "/"
     val contents = readFile(infile)
     val avdlPattern = """import[ \t]+idl[ \t]+"([^"]*\.avdl)"[ \t]*;""".r
@@ -45,24 +44,23 @@ object IdlImportParser {
     val protocolMatches = avprPattern.findAllIn(contents).matchData.toList
     val schemaMatches = avscPattern.findAllIn(contents).matchData.toList
     val importMatches = idlMatches ::: protocolMatches ::: schemaMatches
-    
+
     val (localImports, nonLocalMatches): (List[File], List[Match]) =
-      importMatches.foldLeft((List.empty[File], List.empty[Match])){
-        case ((ai,am), m) =>
+      importMatches.foldLeft((List.empty[File], List.empty[Match])) {
+        case ((ai, am), m) =>
           val f = new File(path + m.group(1))
-          if (f.exists) (ai:+f, am)
-          else (ai, am:+m)
+          if (f.exists) (ai :+ f, am)
+          else (ai, am :+ m)
       }
-      
-    val classpathImports: List[File] = nonLocalMatches.map(m =>{
-      
-      Option(classLoader.getResource(m.group(1))).map(resource =>{
+
+    val classpathImports: List[File] = nonLocalMatches.flatMap { m =>
+      Option(classLoader.getResource(m.group(1))).map(resource => {
         new File(resource.getFile)
       })
-    }).flatMap(_.toList).filter(file => file.exists)
+    }.filter(_.exists)
 
     val importedFiles = classpathImports ++ localImports
     importedFiles
   }
-  
+
 }