diff --git a/image/RasterImage.cpp b/image/RasterImage.cpp
index d4f9e2bd29cc..ef1148930fe9 100644
--- a/image/RasterImage.cpp
+++ b/image/RasterImage.cpp
@@ -50,6 +50,7 @@
 #include "GeckoProfiler.h"
 #include "gfx2DGlue.h"
 #include "gfxPrefs.h"
+#include "nsProperties.h"
 #include <algorithm>
 
 namespace mozilla {
@@ -1056,10 +1057,7 @@ NS_IMETHODIMP
 RasterImage::Set(const char* prop, nsISupports* value)
 {
   if (!mProperties) {
-    mProperties = do_CreateInstance("@mozilla.org/properties;1");
-  }
-  if (!mProperties) {
-    return NS_ERROR_OUT_OF_MEMORY;
+    mProperties = new nsProperties();
   }
   return mProperties->Set(prop, value);
 }
diff --git a/image/imgRequest.cpp b/image/imgRequest.cpp
index cded0e43e707..51ee8ec23ae3 100644
--- a/image/imgRequest.cpp
+++ b/image/imgRequest.cpp
@@ -37,6 +37,7 @@
 #include "nsNetUtil.h"
 #include "nsIProtocolHandler.h"
 #include "imgIRequest.h"
+#include "nsProperties.h"
 
 #include "mozilla/IntegerPrintfMacros.h"
 #include "mozilla/Telemetry.h"
@@ -108,7 +109,7 @@ imgRequest::Init(nsIURI *aURI,
   MOZ_ASSERT(aRequest, "No request");
   MOZ_ASSERT(aChannel, "No channel");
 
-  mProperties = do_CreateInstance("@mozilla.org/properties;1");
+  mProperties = new nsProperties();
   mURI = aURI;
   mFinalURI = aFinalURI;
   mRequest = aRequest;
diff --git a/xpcom/build/XPCOMInit.cpp b/xpcom/build/XPCOMInit.cpp
index 4e12a2b09b42..034f68de13e7 100644
--- a/xpcom/build/XPCOMInit.cpp
+++ b/xpcom/build/XPCOMInit.cpp
@@ -28,7 +28,6 @@
 #include "nsCycleCollector.h"
 #include "nsObserverList.h"
 #include "nsObserverService.h"
-#include "nsProperties.h"
 #include "nsPersistentProperties.h"
 #include "nsScriptableInputStream.h"
 #include "nsBinaryStream.h"
@@ -211,8 +210,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsVariantCC)
 
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsHashPropertyBagCC)
 
-NS_GENERIC_AGGREGATED_CONSTRUCTOR(nsProperties)
-
 NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUUIDGenerator, Init)
 
 #ifdef MOZ_WIDGET_COCOA
diff --git a/xpcom/build/XPCOMModule.inc b/xpcom/build/XPCOMModule.inc
index c335a236878b..478e3238386b 100644
--- a/xpcom/build/XPCOMModule.inc
+++ b/xpcom/build/XPCOMModule.inc
@@ -12,8 +12,6 @@
     COMPONENT(SCRIPTABLEBASE64ENCODER, nsScriptableBase64EncoderConstructor)
     COMPONENT(PIPE, nsPipeConstructor)
 
-    COMPONENT(PROPERTIES, nsPropertiesConstructor)
-
     COMPONENT(PERSISTENTPROPERTIES, nsPersistentProperties::Create)
 
     COMPONENT(ARRAY, nsArrayBase::XPCOMConstructor)
diff --git a/xpcom/ds/moz.build b/xpcom/ds/moz.build
index 63bff7d706f5..eb4e8777910a 100644
--- a/xpcom/ds/moz.build
+++ b/xpcom/ds/moz.build
@@ -62,6 +62,7 @@ EXPORTS += [
     'nsJSThingHashtable.h',
     'nsMathUtils.h',
     'nsPointerHashKeys.h',
+    'nsProperties.h',
     'nsQuickSort.h',
     'nsRefPtrHashtable.h',
     'nsSimpleEnumerator.h',
diff --git a/xpcom/ds/nsProperties.h b/xpcom/ds/nsProperties.h
index 6949017ddd4a..a1dd6a611203 100644
--- a/xpcom/ds/nsProperties.h
+++ b/xpcom/ds/nsProperties.h
@@ -13,14 +13,6 @@
 #include "nsAgg.h"
 #include "mozilla/Attributes.h"
 
-#define NS_PROPERTIES_CID                            \
-{ /* 4de2bc90-b1bf-11d3-93b6-00104ba0fd40 */         \
-    0x4de2bc90,                                      \
-    0xb1bf,                                          \
-    0x11d3,                                          \
-    {0x93, 0xb6, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
-}
-
 typedef nsInterfaceHashtable<nsCharPtrHashKey,
                              nsISupports> nsProperties_HashBase;
 
@@ -32,7 +24,7 @@ public:
   NS_DECL_AGGREGATED
   NS_DECL_NSIPROPERTIES
 
-  explicit nsProperties(nsISupports *aOuter) { NS_INIT_AGGREGATED(aOuter); }
+  nsProperties() { NS_INIT_AGGREGATED(nullptr); }
   ~nsProperties() {}
 };