diff --git a/modules/video_coding/jitter_estimator.cc b/modules/video_coding/jitter_estimator.cc
index 87848aec06..38ce35b61e 100644
--- a/modules/video_coding/jitter_estimator.cc
+++ b/modules/video_coding/jitter_estimator.cc
@@ -58,32 +58,6 @@ VCMJitterEstimator::VCMJitterEstimator(Clock* clock)
 
 VCMJitterEstimator::~VCMJitterEstimator() {}
 
-VCMJitterEstimator& VCMJitterEstimator::operator=(
-    const VCMJitterEstimator& rhs) {
-  if (this != &rhs) {
-    memcpy(_thetaCov, rhs._thetaCov, sizeof(_thetaCov));
-    memcpy(_Qcov, rhs._Qcov, sizeof(_Qcov));
-
-    _avgFrameSize = rhs._avgFrameSize;
-    _varFrameSize = rhs._varFrameSize;
-    _maxFrameSize = rhs._maxFrameSize;
-    _fsSum = rhs._fsSum;
-    _fsCount = rhs._fsCount;
-    _lastUpdateT = rhs._lastUpdateT;
-    _prevEstimate = rhs._prevEstimate;
-    _prevFrameSize = rhs._prevFrameSize;
-    _avgNoise = rhs._avgNoise;
-    _alphaCount = rhs._alphaCount;
-    _filterJitterEstimate = rhs._filterJitterEstimate;
-    _startupCount = rhs._startupCount;
-    _latestNackTimestamp = rhs._latestNackTimestamp;
-    _nackCount = rhs._nackCount;
-    _rttFilter = rhs._rttFilter;
-    clock_ = rhs.clock_;
-  }
-  return *this;
-}
-
 // Resets the JitterEstimate.
 void VCMJitterEstimator::Reset() {
   _theta[0] = 1 / (512e3 / 8);
diff --git a/modules/video_coding/jitter_estimator.h b/modules/video_coding/jitter_estimator.h
index 1d69b95769..ee8f264329 100644
--- a/modules/video_coding/jitter_estimator.h
+++ b/modules/video_coding/jitter_estimator.h
@@ -22,7 +22,8 @@ class VCMJitterEstimator {
  public:
   explicit VCMJitterEstimator(Clock* clock);
   virtual ~VCMJitterEstimator();
-  VCMJitterEstimator& operator=(const VCMJitterEstimator& rhs);
+  VCMJitterEstimator(const VCMJitterEstimator&) = delete;
+  VCMJitterEstimator& operator=(const VCMJitterEstimator&) = delete;
 
   // Resets the estimate to the initial state.
   void Reset();
diff --git a/modules/video_coding/rtt_filter.cc b/modules/video_coding/rtt_filter.cc
index 75813a46ad..773ff6867e 100644
--- a/modules/video_coding/rtt_filter.cc
+++ b/modules/video_coding/rtt_filter.cc
@@ -26,21 +26,6 @@ VCMRttFilter::VCMRttFilter()
   Reset();
 }
 
-VCMRttFilter& VCMRttFilter::operator=(const VCMRttFilter& rhs) {
-  if (this != &rhs) {
-    _gotNonZeroUpdate = rhs._gotNonZeroUpdate;
-    _avgRtt = rhs._avgRtt;
-    _varRtt = rhs._varRtt;
-    _maxRtt = rhs._maxRtt;
-    _filtFactCount = rhs._filtFactCount;
-    _jumpCount = rhs._jumpCount;
-    _driftCount = rhs._driftCount;
-    memcpy(_jumpBuf, rhs._jumpBuf, sizeof(_jumpBuf));
-    memcpy(_driftBuf, rhs._driftBuf, sizeof(_driftBuf));
-  }
-  return *this;
-}
-
 void VCMRttFilter::Reset() {
   _gotNonZeroUpdate = false;
   _avgRtt = 0;
diff --git a/modules/video_coding/rtt_filter.h b/modules/video_coding/rtt_filter.h
index 073fabb85b..bc4f56d2b9 100644
--- a/modules/video_coding/rtt_filter.h
+++ b/modules/video_coding/rtt_filter.h
@@ -18,8 +18,8 @@ namespace webrtc {
 class VCMRttFilter {
  public:
   VCMRttFilter();
-
-  VCMRttFilter& operator=(const VCMRttFilter& rhs);
+  VCMRttFilter(const VCMRttFilter&) = delete;
+  VCMRttFilter& operator=(const VCMRttFilter&) = delete;
 
   // Resets the filter.
   void Reset();