diff --git a/otis/src/app/cases/case-detail/case-detail.component.ts b/otis/src/app/cases/case-detail/case-detail.component.ts
index 2313037..d555dfc 100644
--- a/otis/src/app/cases/case-detail/case-detail.component.ts
+++ b/otis/src/app/cases/case-detail/case-detail.component.ts
@@ -2,8 +2,8 @@ import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angula
 import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
 import { MatDialog } from '@angular/material/dialog';
 import { ActivatedRoute, Router } from '@angular/router';
-import { Observable } from 'rxjs/internal/Observable';
-import { distinctUntilChanged, startWith, switchMap, tap } from 'rxjs/operators';
+import { Observable } from 'rxjs';
+import { distinctUntilChanged, startWith, switchMap } from 'rxjs/operators';
 
 import { Act } from '../../core/act';
 import { Case } from '../../core/case';
diff --git a/otis/src/app/contacts/contact-detail/contact-detail.component.ts b/otis/src/app/contacts/contact-detail/contact-detail.component.ts
index 3315dba..994f1f4 100644
--- a/otis/src/app/contacts/contact-detail/contact-detail.component.ts
+++ b/otis/src/app/contacts/contact-detail/contact-detail.component.ts
@@ -2,7 +2,7 @@ import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angula
 import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
 import { MatDialog } from '@angular/material/dialog';
 import { ActivatedRoute, Router } from '@angular/router';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import { distinctUntilChanged, startWith, switchMap } from 'rxjs/operators';
 
 import { Contact } from '../../core/contact';