[deprecation clean up] remove trait firrtl.util.BackendCompilationUtilities (#2423)

Co-authored-by: Jack Koenig <koenig@sifive.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/src/test/scala/firrtlTests/transforms/LegalizeReductions.scala b/src/test/scala/firrtlTests/transforms/LegalizeReductions.scala
index ce904e28..797e366d 100644
--- a/src/test/scala/firrtlTests/transforms/LegalizeReductions.scala
+++ b/src/test/scala/firrtlTests/transforms/LegalizeReductions.scala
@@ -5,7 +5,7 @@ package firrtlTests.transforms
 import firrtl._
 import firrtl.ir.StringLit
 import firrtl.testutils._
-
+import firrtl.util.BackendCompilationUtilities._
 import org.scalatest.flatspec.AnyFlatSpec
 
 import java.io.File
diff --git a/src/test/scala/firrtlTests/transforms/TopWiringTest.scala b/src/test/scala/firrtlTests/transforms/TopWiringTest.scala
index 050c57c8..321a9fea 100644
--- a/src/test/scala/firrtlTests/transforms/TopWiringTest.scala
+++ b/src/test/scala/firrtlTests/transforms/TopWiringTest.scala
@@ -4,7 +4,6 @@ package firrtlTests
 package transforms
 
 import java.io._
-
 import firrtl._
 import firrtl.ir.{GroundType, IntWidth, Type}
 import firrtl.Parser
@@ -12,6 +11,7 @@ import firrtl.annotations.{CircuitName, ComponentName, ModuleName, Target}
 import firrtl.stage.FirrtlStage
 import firrtl.transforms.TopWiring._
 import firrtl.testutils._
+import firrtl.util.BackendCompilationUtilities.createTestDirectory
 
 trait TopWiringTestsCommon extends FirrtlRunners {