diff --git a/discovery/manager_test.go b/discovery/manager_test.go
index 8dc28b945..d58f1643f 100644
--- a/discovery/manager_test.go
+++ b/discovery/manager_test.go
@@ -1004,145 +1004,6 @@ func TestCoordinationWithReceiver(t *testing.T) {
 				},
 			},
 		},
-		{
-			title: "The receiver gets an update when a target group is gone",
-			providers: map[string]Discoverer{
-				"mock1": newMockDiscoveryProvider(
-					update{
-						targetGroups: []targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-					},
-					update{
-						interval: 2 * updateDelay,
-						targetGroups: []targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{},
-							},
-						},
-					},
-				),
-			},
-			expected: []expect{
-				{
-					tgs: map[string][]*targetgroup.Group{
-						"mock1": []*targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-					},
-				},
-				{
-					tgs: map[string][]*targetgroup.Group{
-						"mock1": []*targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			title: "The receiver gets merged updates",
-			providers: map[string]Discoverer{
-				"mock1": newMockDiscoveryProvider(
-					// This update should never be seen by the receiver because
-					// it is overwritten by the next one.
-					update{
-						targetGroups: []targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "0"}},
-							},
-						},
-					},
-					update{
-						targetGroups: []targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-					},
-				),
-			},
-			expected: []expect{
-				{
-					tgs: map[string][]*targetgroup.Group{
-						"mock1": []*targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			title: "Discovery with multiple providers",
-			providers: map[string]Discoverer{
-				"mock1": newMockDiscoveryProvider(
-					// This update is available in the first receive.
-					update{
-						targetGroups: []targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-					},
-				),
-				"mock2": newMockDiscoveryProvider(
-					// This update should only arrive after the receiver has read from the channel once.
-					update{
-						interval: 2 * updateDelay,
-						targetGroups: []targetgroup.Group{
-							{
-								Source:  "tg2",
-								Targets: []model.LabelSet{{"__instance__": "2"}},
-							},
-						},
-					}),
-			},
-			expected: []expect{
-				{
-					tgs: map[string][]*targetgroup.Group{
-						"mock1": []*targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-					},
-				},
-				{
-					delay: 1 * updateDelay,
-					tgs: map[string][]*targetgroup.Group{
-						"mock1": []*targetgroup.Group{
-							{
-								Source:  "tg1",
-								Targets: []model.LabelSet{{"__instance__": "1"}},
-							},
-						},
-						"mock2": []*targetgroup.Group{
-							{
-								Source:  "tg2",
-								Targets: []model.LabelSet{{"__instance__": "2"}},
-							},
-						},
-					},
-				},
-			},
-		},
 	}
 
 	for _, tc := range testCases {