diff --git a/modules/desktop_capture/screen_capturer_unittest.cc b/modules/desktop_capture/screen_capturer_unittest.cc
index 6a28c537bb..d8123caa16 100644
--- a/modules/desktop_capture/screen_capturer_unittest.cc
+++ b/modules/desktop_capture/screen_capturer_unittest.cc
@@ -35,6 +35,7 @@ class ScreenCapturerTest : public testing::Test {
   void SetUp() override {
     capturer_ = DesktopCapturer::CreateScreenCapturer(
         DesktopCaptureOptions::CreateDefault());
+    RTC_DCHECK(capturer_);
   }
 
  protected:
@@ -109,11 +110,22 @@ TEST_F(ScreenCapturerTest, GetScreenListAndSelectScreen) {
   }
 }
 
-TEST_F(ScreenCapturerTest, StartCapturer) {
+// Flaky on Linux. See: crbug.com/webrtc/7830
+#if defined(WEBRTC_LINUX)
+#define MAYBE_StartCapturer DISABLED_StartCaptuerer
+#else
+#define MAYBE_StartCapturer StartCapturer
+#endif
+TEST_F(ScreenCapturerTest, MAYBE_StartCapturer) {
   capturer_->Start(&callback_);
 }
 
-TEST_F(ScreenCapturerTest, Capture) {
+#if defined(WEBRTC_LINUX)
+#define MAYBE_Capture DISABLED_Capture
+#else
+#define MAYBE_Capture Capture
+#endif
+TEST_F(ScreenCapturerTest, MAYBE_Capture) {
   // Assume that Start() treats the screen as invalid initially.
   std::unique_ptr<DesktopFrame> frame;
   EXPECT_CALL(callback_,
diff --git a/modules/desktop_capture/window_capturer_unittest.cc b/modules/desktop_capture/window_capturer_unittest.cc
index f042df407e..0c31fb7823 100644
--- a/modules/desktop_capture/window_capturer_unittest.cc
+++ b/modules/desktop_capture/window_capturer_unittest.cc
@@ -24,6 +24,7 @@ class WindowCapturerTest : public testing::Test,
   void SetUp() override {
     capturer_ = DesktopCapturer::CreateWindowCapturer(
         DesktopCaptureOptions::CreateDefault());
+    RTC_DCHECK(capturer_);
   }
 
   void TearDown() override {}
@@ -50,6 +51,12 @@ TEST_F(WindowCapturerTest, Enumerate) {
   }
 }
 
+// Flaky on Linux. See: crbug.com/webrtc/7830
+#if defined(WEBRTC_LINUX)
+#define MAYBE_Capture DISABLED_Capture
+#else
+#define MAYBE_Capture Capture
+#endif
 // Verify we can capture a window.
 //
 // TODO(sergeyu): Currently this test just looks at the windows that already
@@ -57,7 +64,7 @@ TEST_F(WindowCapturerTest, Enumerate) {
 // is no easy cross-platform way to create new windows (potentially we could
 // have a python script showing Tk dialog, but launching code will differ
 // between platforms).
-TEST_F(WindowCapturerTest, Capture) {
+TEST_F(WindowCapturerTest, MAYBE_Capture) {
   DesktopCapturer::SourceList sources;
   capturer_->Start(this);
   EXPECT_TRUE(capturer_->GetSourceList(&sources));