2 files changed, 2 insertions, 1 deletions
diff --git a/packages/dev-utils/src/callback_error_reporter.ts b/packages/dev-utils/src/callback_error_reporter.ts
index 8432bb5d4..e69ce1c05 100644
--- a/packages/dev-utils/src/callback_error_reporter.ts
+++ b/packages/dev-utils/src/callback_error_reporter.ts
@@ -60,7 +60,7 @@ export const callbackErrorReporter = {
         done: DoneCallback,
         errMsg: string,
     ): <T>(error: Error | null, value: T | undefined) => void {
-        const wrapped = <T>(error: Error | null, value: T | undefined) => {
+        const wrapped = <T>(error: Error | null, _value: T | undefined) => {
             if (_.isNull(error)) {
                 done(new Error('Expected callback to receive an error'));
             } else {
diff --git a/packages/dev-utils/src/env.ts b/packages/dev-utils/src/env.ts
index 114dbf4a8..e74ef3d23 100644
--- a/packages/dev-utils/src/env.ts
+++ b/packages/dev-utils/src/env.ts
@@ -3,6 +3,7 @@ import * as process from 'process';
 
 export enum EnvVars {
     SolidityCoverage = 'SOLIDITY_COVERAGE',
+    SolidityProfiler = 'SOLIDITY_PROFILER',
     VerboseGanache = 'VERBOSE_GANACHE',
 }