diff --git a/src/pip/_internal/commands/install.py b/src/pip/_internal/commands/install.py
index 40449bcb0f0..2300403daf9 100644
--- a/src/pip/_internal/commands/install.py
+++ b/src/pip/_internal/commands/install.py
@@ -442,7 +442,8 @@ def run(self, options: Values, args: List[str]) -> int:
             # Check for conflicts in the package set we're installing.
             conflicts: Optional[ConflictDetails] = None
             should_warn_about_conflicts = (
-                not options.ignore_dependencies and options.warn_about_conflicts
+                not (options.ignore_dependencies or options.ignore_dependencies_for)
+                and options.warn_about_conflicts
             )
             if should_warn_about_conflicts:
                 conflicts = self._determine_conflicts(to_install)
diff --git a/tests/functional/test_new_resolver.py b/tests/functional/test_new_resolver.py
index 3001a21847e..f15cbce2656 100644
--- a/tests/functional/test_new_resolver.py
+++ b/tests/functional/test_new_resolver.py
@@ -240,7 +240,7 @@ def test_new_resolver_ignore_dependencies_for(script: PipTestEnvironment) -> Non
         "dep2",
         "0.1.0",
     )
-    result = script.pip(
+    script.pip(
         "install",
         "--no-cache-dir",
         "--no-index",
@@ -253,7 +253,6 @@ def test_new_resolver_ignore_dependencies_for(script: PipTestEnvironment) -> Non
     )
     script.assert_installed(base="0.1.0", base2="0.1.0", dep2="0.1.0")
     script.assert_not_installed("dep")
-    assert "base 0.1.0 requires dep, which is not installed." in result.stderr
 
 
 @pytest.mark.parametrize(