diff --git a/.gitignore b/.gitignore
index 958c71d86f..6722d69888 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,6 +57,7 @@
 /resources/**/*.frames
 /resources/**/*.gai
 /resources/**/*.jpg
+/resources/**/*.pb
 /resources/**/*.pcap
 /resources/**/*.pcm
 /resources/**/*.rtp
diff --git a/data/audio_processing/output_data_fixed.pb b/data/audio_processing/output_data_fixed.pb
deleted file mode 100644
index 93a9378d2e..0000000000
Binary files a/data/audio_processing/output_data_fixed.pb and /dev/null differ
diff --git a/data/audio_processing/output_data_float.pb b/data/audio_processing/output_data_float.pb
deleted file mode 100644
index b5fe04275c..0000000000
Binary files a/data/audio_processing/output_data_float.pb and /dev/null differ
diff --git a/data/audio_processing/output_data_mac.pb b/data/audio_processing/output_data_mac.pb
deleted file mode 100644
index b7359b039e..0000000000
Binary files a/data/audio_processing/output_data_mac.pb and /dev/null differ
diff --git a/resources/audio_processing/output_data_fixed.pb.sha1 b/resources/audio_processing/output_data_fixed.pb.sha1
new file mode 100644
index 0000000000..a790bb5da0
--- /dev/null
+++ b/resources/audio_processing/output_data_fixed.pb.sha1
@@ -0,0 +1 @@
+31f83357d6f5a78c7eb828c8073ce35f7cd2b1fa
\ No newline at end of file
diff --git a/resources/audio_processing/output_data_float.pb.sha1 b/resources/audio_processing/output_data_float.pb.sha1
new file mode 100644
index 0000000000..dd2e4d33e4
--- /dev/null
+++ b/resources/audio_processing/output_data_float.pb.sha1
@@ -0,0 +1 @@
+c2907879eee3f1abeeb1fe2e29dd25bdb4ef5961
\ No newline at end of file
diff --git a/resources/audio_processing/output_data_mac.pb.sha1 b/resources/audio_processing/output_data_mac.pb.sha1
new file mode 100644
index 0000000000..f2efccd300
--- /dev/null
+++ b/resources/audio_processing/output_data_mac.pb.sha1
@@ -0,0 +1 @@
+eb0db8379eb703a49cd08d6c5c53a15a6cfc6b9f
\ No newline at end of file
diff --git a/webrtc/modules/BUILD.gn b/webrtc/modules/BUILD.gn
index 9120541041..042b38e4bd 100644
--- a/webrtc/modules/BUILD.gn
+++ b/webrtc/modules/BUILD.gn
@@ -138,9 +138,6 @@ if (rtc_include_tests) {
   }
 
   modules_unittests_resources = [
-    "//data/audio_processing/output_data_fixed.pb",
-    "//data/audio_processing/output_data_float.pb",
-    "//data/audio_processing/output_data_mac.pb",
     "//data/voice_engine/audio_tiny48.wav",
     "//resources/att-downlink.rx",
     "//resources/att-uplink.rx",
@@ -161,6 +158,9 @@ if (rtc_include_tests) {
     "//resources/audio_processing/agc/agc_vad.dat",
     "//resources/audio_processing/agc/agc_voicing_prob.dat",
     "//resources/audio_processing/agc/agc_with_circular_buffer.dat",
+    "//resources/audio_processing/output_data_fixed.pb",
+    "//resources/audio_processing/output_data_float.pb",
+    "//resources/audio_processing/output_data_mac.pb",
     "//resources/audio_processing/transient/ajm-macbook-1-spke16m.pcm",
     "//resources/audio_processing/transient/audio16kHz.pcm",
     "//resources/audio_processing/transient/audio32kHz.pcm",
diff --git a/webrtc/modules/audio_processing/audio_processing_unittest.cc b/webrtc/modules/audio_processing/audio_processing_unittest.cc
index fb2f214bed..139aa9daaf 100644
--- a/webrtc/modules/audio_processing/audio_processing_unittest.cc
+++ b/webrtc/modules/audio_processing/audio_processing_unittest.cc
@@ -391,7 +391,6 @@ class ApmTest : public ::testing::Test {
   void VerifyDebugDumpTest(Format format);
 
   const std::string output_path_;
-  const std::string ref_path_;
   const std::string ref_filename_;
   std::unique_ptr<AudioProcessing> apm_;
   AudioFrame* frame_;
@@ -407,21 +406,18 @@ class ApmTest : public ::testing::Test {
 
 ApmTest::ApmTest()
     : output_path_(test::OutputPath()),
-#ifndef WEBRTC_IOS
-      ref_path_(test::ProjectRootPath() + "data/audio_processing/"),
-#else
-      // On iOS test data is flat in the project root dir
-      ref_path_(test::ProjectRootPath()),
-#endif
 #if defined(WEBRTC_AUDIOPROC_FIXED_PROFILE)
-      ref_filename_(ref_path_ + "output_data_fixed.pb"),
+      ref_filename_(test::ResourcePath("audio_processing/output_data_fixed",
+                                       "pb")),
 #elif defined(WEBRTC_AUDIOPROC_FLOAT_PROFILE)
 #if defined(WEBRTC_MAC)
       // A different file for Mac is needed because on this platform the AEC
       // constant |kFixedDelayMs| value is 20 and not 50 as it is on the rest.
-      ref_filename_(ref_path_ + "output_data_mac.pb"),
+      ref_filename_(test::ResourcePath("audio_processing/output_data_mac",
+                                       "pb")),
 #else
-      ref_filename_(ref_path_ + "output_data_float.pb"),
+      ref_filename_(test::ResourcePath("audio_processing/output_data_float",
+                                       "pb")),
 #endif
 #endif
       frame_(NULL),