diff --git a/third_party/terraform/utils/iam.go b/third_party/terraform/utils/iam.go
index 6da3242a3ae5..1385a1f40454 100644
--- a/third_party/terraform/utils/iam.go
+++ b/third_party/terraform/utils/iam.go
@@ -46,8 +46,8 @@ type iamPolicyModifyFunc func(p *cloudresourcemanager.Policy) error
 
 type resourceIdParserFunc func(d *schema.ResourceData, config *Config) error
 
-// Wrapper around updater.GetResourceIamPolicy() that handles Fibonacci backoff
-// for reading policies from IAM
+// Wrapper around updater.GetResourceIamPolicy() to handle retry/backoff
+// for just reading policies from IAM
 func iamPolicyReadWithRetry(updater ResourceIamUpdater) (*cloudresourcemanager.Policy, error) {
 	mutexKey := updater.GetMutexKey()
 	mutexKV.Lock(mutexKey)
diff --git a/third_party/terraform/utils/iam_test.go b/third_party/terraform/utils/iam_test.go
deleted file mode 100644
index 72097dc6f3e9..000000000000
--- a/third_party/terraform/utils/iam_test.go
+++ /dev/null
@@ -1,63 +0,0 @@
-package google
-
-import (
-	"google.golang.org/api/cloudresourcemanager/v1"
-	"google.golang.org/api/googleapi"
-	"testing"
-)
-
-// Mock ResourceIamUpdater
-type readTestUpdater struct {
-	errorCode           int
-	returnAfterAttempts int
-	numAttempts         int
-}
-
-// Not being tested
-func (u *readTestUpdater) SetResourceIamPolicy(p *cloudresourcemanager.Policy) error { return nil }
-func (u *readTestUpdater) GetMutexKey() string                                       { return "a-resource-key" }
-func (u *readTestUpdater) GetResourceId() string                                     { return "id" }
-func (u *readTestUpdater) DescribeResource() string                                  { return "mock updater" }
-
-// Fetch the existing IAM policy attached to a resource.
-func (u *readTestUpdater) GetResourceIamPolicy() (*cloudresourcemanager.Policy, error) {
-	u.numAttempts++
-	if u.numAttempts < u.returnAfterAttempts {
-		// Indicate retry
-		return nil, &googleapi.Error{Code: 429}
-	}
-
-	// Was testing successes or was testing retryable
-	if u.errorCode == 200 {
-		return &cloudresourcemanager.Policy{}, nil
-	}
-	return nil, &googleapi.Error{Code: u.errorCode}
-}
-
-func TestIamPolicyReadWithRetry_returnImmediately(t *testing.T) {
-	mockUpdater := &readTestUpdater{
-		returnAfterAttempts: 1,
-		errorCode:           200,
-	}
-	p, err := iamPolicyReadWithRetry(mockUpdater)
-	if err != nil || p == nil {
-		t.Errorf("expected valid policy and no error, got nil policy and error %v", err)
-	}
-	if mockUpdater.numAttempts != 1 {
-		t.Errorf("expected GetResourceIamPolicy to have been called once")
-	}
-}
-
-func TestIamPolicyReadWithRetry_retry(t *testing.T) {
-	mockUpdater := &readTestUpdater{
-		returnAfterAttempts: 3,
-		errorCode:           404,
-	}
-	p, err := iamPolicyReadWithRetry(mockUpdater)
-	if err == nil || !isGoogleApiErrorWithCode(err, 404) {
-		t.Errorf("expected googleapi error 404, got policy %v, err %v", p, err)
-	}
-	if mockUpdater.numAttempts != mockUpdater.returnAfterAttempts {
-		t.Errorf("expected GetResourceIamPolicy to have been called %d times, was called %d", mockUpdater.numAttempts, mockUpdater.returnAfterAttempts)
-	}
-}