diff --git a/cmd/occollector/app/collector/collector_test.go b/cmd/occollector/app/collector/collector_test.go
index e7974e33166f..d567cb6829ba 100644
--- a/cmd/occollector/app/collector/collector_test.go
+++ b/cmd/occollector/app/collector/collector_test.go
@@ -18,14 +18,9 @@ package collector
 import (
 	"net"
 	"net/http"
-	"os"
-	"runtime"
 	"testing"
 
-	stats "github.com/guillermo/go.procstat"
-
 	"github.com/open-telemetry/opentelemetry-service/internal/testutils"
-
 	"github.com/open-telemetry/opentelemetry-service/internal/zpagesserver"
 )
 
@@ -103,72 +98,6 @@ func TestApplication_StartUnified(t *testing.T) {
 	<-appDone
 }
 
-func testMemBallast(t *testing.T, app *Application, ballastSizeMiB int) {
-	maxRssBytes := mibToBytes(50)
-	minVirtualBytes := mibToBytes(ballastSizeMiB)
-
-	portArg := []string{
-		healthCheckHTTPPort, // Keep it as first since its address is used later.
-		zpagesserver.ZPagesHTTPPort,
-		"metrics-port",
-		"receivers.opencensus.port",
-	}
-
-	addresses := getMultipleAvailableLocalAddresses(t, uint(len(portArg)))
-	for i, addr := range addresses {
-		_, port, err := net.SplitHostPort(addr)
-		if err != nil {
-			t.Fatalf("failed to split host and port from %q: %v", addr, err)
-		}
-		app.v.Set(portArg[i], port)
-	}
-
-	// Without exporters the collector will start and just shutdown, no error is expected.
-	app.v.Set("logging-exporter", true)
-	app.v.Set("mem-ballast-size-mib", ballastSizeMiB)
-
-	appDone := make(chan struct{})
-	go func() {
-		defer close(appDone)
-		if err := app.Start(); err != nil {
-			t.Fatalf("app.Start() got %v, want nil", err)
-		}
-	}()
-
-	<-app.readyChan
-	if !isAppAvailable(t, "http://"+addresses[0]) {
-		t.Fatalf("app didn't reach ready state")
-	}
-	stats := stats.Stat{Pid: os.Getpid()}
-	err := stats.Update()
-	if err != nil {
-		panic(err)
-	}
-
-	if stats.Vsize < minVirtualBytes {
-		t.Errorf("unexpected virtual memory size. expected: >=%d, got: %d", minVirtualBytes, stats.Vsize)
-	}
-
-	if stats.Rss > maxRssBytes {
-		t.Errorf("unexpected RSS size. expected: <%d, got: %d", maxRssBytes, stats.Rss)
-	}
-
-	close(app.stopTestChan)
-	<-appDone
-}
-
-// TestApplication_MemBallast starts a new instance of collector with different
-// mem ballast sizes and ensures that ballast consumes virtual memory but does
-// not count towards RSS mem
-func TestApplication_MemBallast(t *testing.T) {
-	cases := []int{0, 500, 1000}
-	for i := 0; i < len(cases); i++ {
-		runtime.GC()
-		app := newApp()
-		testMemBallast(t, app, cases[i])
-	}
-}
-
 // isAppAvailable checks if the healthcheck server at the given endpoint is
 // returning `available`.
 func isAppAvailable(t *testing.T, healthCheckEndPoint string) bool {
diff --git a/go.mod b/go.mod
index 48db9291903a..ce0b461c46c2 100644
--- a/go.mod
+++ b/go.mod
@@ -31,6 +31,7 @@ require (
 	github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1
 	github.com/prometheus/prometheus v0.0.0-20190131111325-62e591f928dd
 	github.com/rs/cors v1.6.0
+	github.com/shirou/gopsutil v2.18.12+incompatible
 	github.com/soheilhy/cmux v0.1.4
 	github.com/spf13/cast v1.2.0
 	github.com/spf13/cobra v0.0.3
diff --git a/go.sum b/go.sum
index 32a24527ec48..158b205a1600 100644
--- a/go.sum
+++ b/go.sum
@@ -302,6 +302,8 @@ github.com/sasha-s/go-deadlock v0.0.0-20161201235124-341000892f3d/go.mod h1:StQn
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
+github.com/shirou/gopsutil v2.18.12+incompatible h1:1eaJvGomDnH74/5cF4CTmTbLHAriGFsTZppLXDX93OM=
+github.com/shirou/gopsutil v2.18.12+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
 github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg=
 github.com/shurcooL/vfsgen v0.0.0-20180711163814-62bca832be04/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=