diff --git a/pkg/scheduler/queue/queue.go b/pkg/scheduler/queue/queue.go
index 27cc6f540cb..0931b25f3b6 100644
--- a/pkg/scheduler/queue/queue.go
+++ b/pkg/scheduler/queue/queue.go
@@ -2,7 +2,6 @@ package queue
 
 import (
 	"context"
-	"fmt"
 	"sync"
 	"time"
 
@@ -109,7 +108,6 @@ func (q *RequestQueue) EnqueueRequest(userID string, req Request, maxQueriers fl
 
 	q.totalRequests.WithLabelValues(userID).Inc()
 
-	fmt.Println("EnqueueRequest", q.queues.getTotalQueueSize(userID), maxOutstandingRequests)
 	if q.queues.getTotalQueueSize(userID) >= maxOutstandingRequests {
 		q.discardedRequests.WithLabelValues(userID).Inc()
 		return ErrTooManyRequests
diff --git a/pkg/scheduler/queue/queue_test.go b/pkg/scheduler/queue/queue_test.go
index fca29e24df5..5e260323ecf 100644
--- a/pkg/scheduler/queue/queue_test.go
+++ b/pkg/scheduler/queue/queue_test.go
@@ -160,7 +160,7 @@ func TestRequestQueue_GetNextRequestForQuerier_ShouldGetRequestAfterReshardingBe
 }
 
 func TestRequestQueue_QueriersShouldGetHighPriorityQueryFirst(t *testing.T) {
-	queue := NewRequestQueue(100, 0,
+	queue := NewRequestQueue(0, 0,
 		prometheus.NewGaugeVec(prometheus.GaugeOpts{}, []string{"user"}),
 		prometheus.NewCounterVec(prometheus.CounterOpts{}, []string{"user"}),
 		MockLimits{MaxOutstanding: 3},
@@ -182,9 +182,9 @@ func TestRequestQueue_QueriersShouldGetHighPriorityQueryFirst(t *testing.T) {
 		isHighPriority: true,
 	}
 
-	assert.Nil(t, queue.EnqueueRequest("userID", normalRequest1, 1, func() {}))
-	assert.Nil(t, queue.EnqueueRequest("userID", normalRequest2, 1, func() {}))
-	assert.Nil(t, queue.EnqueueRequest("userID", highPriorityRequest, 1, func() {}))
+	assert.NoError(t, queue.EnqueueRequest("userID", normalRequest1, 1, func() {}))
+	assert.NoError(t, queue.EnqueueRequest("userID", normalRequest2, 1, func() {}))
+	assert.NoError(t, queue.EnqueueRequest("userID", highPriorityRequest, 1, func() {}))
 
 	assert.Error(t, queue.EnqueueRequest("userID", highPriorityRequest, 1, func() {})) // should fail due to maxOutstandingPerTenant = 3
 	assert.Equal(t, 3, queue.queues.getTotalQueueSize("userID"))
@@ -197,7 +197,7 @@ func TestRequestQueue_QueriersShouldGetHighPriorityQueryFirst(t *testing.T) {
 }
 
 func TestRequestQueue_ReservedQueriersShouldOnlyGetHighPriorityQueries(t *testing.T) {
-	queue := NewRequestQueue(100, 0,
+	queue := NewRequestQueue(0, 0,
 		prometheus.NewGaugeVec(prometheus.GaugeOpts{}, []string{"user"}),
 		prometheus.NewCounterVec(prometheus.CounterOpts{}, []string{"user"}),
 		MockLimits{MaxOutstanding: 3, ReservedQueriers: 1},
@@ -216,8 +216,8 @@ func TestRequestQueue_ReservedQueriersShouldOnlyGetHighPriorityQueries(t *testin
 		isHighPriority: true,
 	}
 
-	assert.NotNil(t, queue.EnqueueRequest("userID", normalRequest, 1, func() {}))
-	assert.NotNil(t, queue.EnqueueRequest("userID", highPriorityRequest, 1, func() {}))
+	assert.NoError(t, queue.EnqueueRequest("userID", normalRequest, 1, func() {}))
+	assert.NoError(t, queue.EnqueueRequest("userID", highPriorityRequest, 1, func() {}))
 
 	nextRequest, _, _ := queue.GetNextRequestForQuerier(ctx, FirstUser(), "querier-1")
 	assert.Equal(t, highPriorityRequest, nextRequest)