diff --git a/media/libmedia/OMXBuffer.cpp b/media/libmedia/OMXBuffer.cpp
index 6d54a13..30dc22d 100644
--- a/media/libmedia/OMXBuffer.cpp
+++ b/media/libmedia/OMXBuffer.cpp
@@ -172,7 +172,7 @@
     return OK;
 }
 
-OMXBuffer& OMXBuffer::operator=(OMXBuffer&& source) {
+OMXBuffer& OMXBuffer::operator=(OMXBuffer&& source) noexcept {
     mBufferType = std::move(source.mBufferType);
     mRangeOffset = std::move(source.mRangeOffset);
     mRangeLength = std::move(source.mRangeLength);
diff --git a/media/libmedia/include/media/OMXBuffer.h b/media/libmedia/include/media/OMXBuffer.h
index 9c9f5e7..4abe9e6 100644
--- a/media/libmedia/include/media/OMXBuffer.h
+++ b/media/libmedia/include/media/OMXBuffer.h
@@ -137,7 +137,7 @@
     hidl_memory mHidlMemory;
 
     // Move assignment
-    OMXBuffer &operator=(OMXBuffer&&);
+    OMXBuffer &operator=(OMXBuffer&&) noexcept;
 
     // Deleted copy constructor and assignment.
     OMXBuffer(const OMXBuffer&) = delete;
diff --git a/media/libstagefright/foundation/include/media/stagefright/foundation/AData.h b/media/libstagefright/foundation/include/media/stagefright/foundation/AData.h
index 85e4378..c6c12ff 100644
--- a/media/libstagefright/foundation/include/media/stagefright/foundation/AData.h
+++ b/media/libstagefright/foundation/include/media/stagefright/foundation/AData.h
@@ -774,7 +774,7 @@
         /**
          * Move assignment operator.
          */
-        Custom& operator=(Custom &&o) {
+        Custom& operator=(Custom &&o) noexcept {
             if (&o != this) {
                 if (this->used() && !this->clear()) {
                     __builtin_trap();
@@ -795,7 +795,7 @@
         /**
          * Move constructor.
          */
-        Custom(Custom &&o) : Custom() {
+        Custom(Custom &&o) noexcept : Custom() {
             *this = std::move(o);
         }
 
diff --git a/media/libstagefright/foundation/include/media/stagefright/foundation/Mutexed.h b/media/libstagefright/foundation/include/media/stagefright/foundation/Mutexed.h
index 143b140..03720fd 100644
--- a/media/libstagefright/foundation/include/media/stagefright/foundation/Mutexed.h
+++ b/media/libstagefright/foundation/include/media/stagefright/foundation/Mutexed.h
@@ -103,7 +103,7 @@
     class Locked {
     public:
         inline Locked(Mutexed<T> &mParent);
-        inline Locked(Locked &&from) :
+        inline Locked(Locked &&from) noexcept :
             mLock(from.mLock),
             mTreasure(from.mTreasure),
             mLocked(from.mLocked) {}