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-rw-r--r--packages/sol-cov/src/coverage_subprovider.ts1
1 files changed, 0 insertions, 1 deletions
diff --git a/packages/sol-cov/src/coverage_subprovider.ts b/packages/sol-cov/src/coverage_subprovider.ts
index 1c80dca7b..fc8b55188 100644
--- a/packages/sol-cov/src/coverage_subprovider.ts
+++ b/packages/sol-cov/src/coverage_subprovider.ts
@@ -1,6 +1,5 @@
import { Callback, ErrorCallback, NextCallback, Subprovider } from '@0xproject/subproviders';
import { BlockParam, CallData, JSONRPCRequestPayload, TransactionTrace, TxData } from '@0xproject/types';
-import { promisify } from '@0xproject/utils';
import * as _ from 'lodash';
import { Lock } from 'semaphore-async-await';