diff --git a/services/audioflinger/tests/resampler_tests.cpp b/services/audioflinger/tests/resampler_tests.cpp
index 169ce02..d6217ba 100644
--- a/services/audioflinger/tests/resampler_tests.cpp
+++ b/services/audioflinger/tests/resampler_tests.cpp
@@ -60,7 +60,7 @@
         int check = memcmp((const char*)reference + i * outputFrameSize,
                 (const char*)test + i * outputFrameSize, outputFrameSize);
         if (check) {
-            ALOGE("Failure at frame %d", i);
+            ALOGE("Failure at frame %zu", i);
             ASSERT_EQ(check, 0); /* fails */
         }
     }
diff --git a/services/audioflinger/tests/test-mixer.cpp b/services/audioflinger/tests/test-mixer.cpp
index 5a00f40..9a4fad6 100644
--- a/services/audioflinger/tests/test-mixer.cpp
+++ b/services/audioflinger/tests/test-mixer.cpp
@@ -62,7 +62,7 @@
     info.samplerate = sampleRate;
     info.channels = channels;
     info.format = SF_FORMAT_WAV | (isBufferFloat ? SF_FORMAT_FLOAT : SF_FORMAT_PCM_16);
-    printf("saving file:%s  channels:%d  samplerate:%d  frames:%d\n",
+    printf("saving file:%s  channels:%u  samplerate:%u  frames:%zu\n",
             filename, info.channels, info.samplerate, frames);
     SNDFILE *sf = sf_open(filename, SFM_WRITE, &info);
     if (sf == NULL) {
diff --git a/services/audioflinger/tests/test_utils.h b/services/audioflinger/tests/test_utils.h
index e446216..3d51cdc 100644
--- a/services/audioflinger/tests/test_utils.h
+++ b/services/audioflinger/tests/test_utils.h
@@ -120,7 +120,7 @@
         }
         if (!mInputIncr.empty()) {
             size_t provided = mInputIncr[mNextIdx++];
-            ALOGV("getNextBuffer() mValue[%d]=%u not %u",
+            ALOGV("getNextBuffer() mValue[%zu]=%zu not %zu",
                     mNextIdx-1, provided, buffer->frameCount);
             if (provided < buffer->frameCount) {
                 buffer->frameCount = provided;
@@ -129,8 +129,8 @@
                 mNextIdx = 0;
             }
         }
-        ALOGV("getNextBuffer() requested %u frames out of %u frames available"
-                " and returned %u frames\n",
+        ALOGV("getNextBuffer() requested %zu frames out of %zu frames available"
+                " and returned %zu frames",
                 requestedFrames, mNumFrames - mNextFrame, buffer->frameCount);
         mUnrel = buffer->frameCount;
         if (buffer->frameCount > 0) {
@@ -145,14 +145,14 @@
     virtual void releaseBuffer(Buffer* buffer)
     {
         if (buffer->frameCount > mUnrel) {
-            ALOGE("releaseBuffer() released %u frames but only %u available "
-                    "to release\n", buffer->frameCount, mUnrel);
+            ALOGE("releaseBuffer() released %zu frames but only %zu available "
+                    "to release", buffer->frameCount, mUnrel);
             mNextFrame += mUnrel;
             mUnrel = 0;
         } else {
 
-            ALOGV("releaseBuffer() released %u frames out of %u frames available "
-                    "to release\n", buffer->frameCount, mUnrel);
+            ALOGV("releaseBuffer() released %zu frames out of %zu frames available "
+                    "to release", buffer->frameCount, mUnrel);
             mNextFrame += buffer->frameCount;
             mUnrel -= buffer->frameCount;
         }