diff --git a/packer/rpc/build_test.go b/packer/rpc/build_test.go
index aa19313de..9656c6227 100644
--- a/packer/rpc/build_test.go
+++ b/packer/rpc/build_test.go
@@ -21,7 +21,6 @@ type testBuild struct {
 	setDebugCalled   bool
 	setForceCalled   bool
 	setOnErrorCalled bool
-	cancelCalled     bool
 
 	errRunResult bool
 }