diff --git a/src/signal-termination.ts b/src/signal-termination.ts
index db8b6fc..5e4120f 100644
--- a/src/signal-termination.ts
+++ b/src/signal-termination.ts
@@ -89,10 +89,12 @@ export class TermSignals {
    */
   public _terminateProcess (code?: number, signal?: NodeJS.Signals): void {
     if (signal !== undefined) {
-      return process.kill(process.pid, signal)
+      process.kill(process.pid, signal)
+      return
     }
     if (code !== undefined) {
-      return process.exit(code)
+      process.exit(code)
+      return // eslint-disable-line no-unreachable
     }
     throw new Error('Unable to terminate parent process successfully')
   }
diff --git a/test/signal-termination.spec.ts b/test/signal-termination.spec.ts
index f203ff9..96ad89c 100644
--- a/test/signal-termination.spec.ts
+++ b/test/signal-termination.spec.ts
@@ -71,6 +71,7 @@ describe('signal-termination', (): void => {
 
       it('should call exit method on parent process if no signal provided', (): void => {
         term._terminateProcess(0)
+        // We here test code that in reality is unreachable.
         assert.equal(exitStub.callCount, 1)
       })