diff --git a/dom/media/gmp/GMPChild.cpp b/dom/media/gmp/GMPChild.cpp
index 14b06cc726..fa6f2f4c83 100644
--- a/dom/media/gmp/GMPChild.cpp
+++ b/dom/media/gmp/GMPChild.cpp
@@ -22,7 +22,9 @@
 #include "GMPUtils.h"
 #include "prio.h"
 #include "base/task.h"
+#ifdef MOZ_EME
 #include "widevine-adapter/WidevineAdapter.h"
+#endif
 
 using namespace mozilla::ipc;
 
@@ -254,9 +256,13 @@ GMPChild::AnswerStartPlugin(const nsString& aAdapter)
     return false;
   }
 
+#ifdef MOZ_EME
   bool isWidevine = aAdapter.EqualsLiteral("widevine");
 
   GMPAdapter* adapter = (isWidevine) ? new WidevineAdapter() : nullptr;
+#else
+  GMPAdapter* adapter = nullptr;
+#endif
   if (!mGMPLoader->Load(libPath.get(),
                         libPath.Length(),
                         mNodeId.BeginWriting(),
diff --git a/dom/media/gmp/GMPParent.cpp b/dom/media/gmp/GMPParent.cpp
index 95bccaad1c..12e7499b59 100644
--- a/dom/media/gmp/GMPParent.cpp
+++ b/dom/media/gmp/GMPParent.cpp
@@ -770,10 +770,10 @@ GMPParent::ReadChromiumManifestFile(nsIFile* aFile)
 RefPtr<GenericPromise>
 GMPParent::ParseChromiumManifest(nsString aJSON)
 {
+#ifdef MOZ_EME
   LOGD("%s: for '%s'", __FUNCTION__, NS_LossyConvertUTF16toASCII(aJSON).get());
 
   MOZ_ASSERT(NS_IsMainThread());
-#ifdef MOZ_EME
   mozilla::dom::WidevineCDMManifest m;
   if (!m.Init(aJSON)) {
     return GenericPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
diff --git a/dom/media/gmp/moz.build b/dom/media/gmp/moz.build
index f7b012733d..79de6e1d96 100644
--- a/dom/media/gmp/moz.build
+++ b/dom/media/gmp/moz.build
@@ -128,10 +128,10 @@ if CONFIG['MOZ_EME']:
         'GMPCDMProxy.cpp',
     ]
 
-DIRS += [
-    'rlz',
-    'widevine-adapter',
-]
+DIRS += ['rlz']
+
+if CONFIG['MOZ_EME']:
+    DIRS += ['widevine-adapter']
 
 IPDL_SOURCES += [
   'GMPTypes.ipdlh',