diff --git a/jdk/make/lib/SoundLibraries.gmk b/jdk/make/lib/SoundLibraries.gmk
index e60ebd53525..f320cf305b1 100644
--- a/jdk/make/lib/SoundLibraries.gmk
+++ b/jdk/make/lib/SoundLibraries.gmk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -113,39 +113,6 @@ ifeq ($(OPENJDK_TARGET_OS), solaris)
   LIBJSOUND_SRC_FILES += $(LIBJSOUND_DAUDIOFILES)
 endif # OPENJDK_TARGET_OS solaris
 
-
-ifeq ($(JVM_VARIANT_ZERO), true)
-  LIBJSOUND_CFLAGS += -DX_ARCH=X_ZERO
-else
-  ifeq ($(OPENJDK_TARGET_CPU), x86)
-    LIBJSOUND_CFLAGS += -DX_ARCH=X_I586
-  endif
-
-  ifeq ($(OPENJDK_TARGET_CPU), sparc)
-    LIBJSOUND_CFLAGS += -DX_ARCH=X_SPARC
-  endif
-
-  ifeq ($(OPENJDK_TARGET_CPU), sparcv9)
-    LIBJSOUND_CFLAGS += -DX_ARCH=X_SPARCV9
-  endif
-
-  ifeq ($(OPENJDK_TARGET_CPU), x86_64)
-    LIBJSOUND_CFLAGS += -DX_ARCH=X_AMD64
-  endif
-
-  ifeq ($(OPENJDK_TARGET_CPU), arm)
-    LIBJSOUND_CFLAGS += -DX_ARCH=X_ARM
-  endif
-
-  ifeq ($(OPENJDK_TARGET_CPU), ppc)
-    LIBJSOUND_CFLAGS += -DX_ARCH=X_PPC
-  endif
-
-  ifeq ($(OPENJDK_TARGET_CPU), ppc64)
-       LIBJSOUND_CFLAGS += -DX_ARCH=X_PPC64
-  endif
-endif
-
 LIBJSOUND_CFLAGS += -DEXTRA_SOUND_JNI_LIBS='"$(EXTRA_SOUND_JNI_LIBS)"'
 
 $(eval $(call SetupNativeCompilation,BUILD_LIBJSOUND, \
diff --git a/jdk/make/mapfiles/libjsound/mapfile-vers b/jdk/make/mapfiles/libjsound/mapfile-vers
index e2360a19a80..b8ebf0d8af3 100644
--- a/jdk/make/mapfiles/libjsound/mapfile-vers
+++ b/jdk/make/mapfiles/libjsound/mapfile-vers
@@ -68,7 +68,6 @@ SUNWprivate_1.1 {
             Java_com_sun_media_sound_Platform_nGetExtraLibraries;
             Java_com_sun_media_sound_Platform_nGetLibraryForFeature;
             Java_com_sun_media_sound_Platform_nIsBigEndian;
-            Java_com_sun_media_sound_Platform_nIsSigned8;
             Java_com_sun_media_sound_PortMixer_nClose;
             Java_com_sun_media_sound_PortMixer_nControlGetFloatValue;
             Java_com_sun_media_sound_PortMixer_nControlGetIntValue;
diff --git a/jdk/src/java.desktop/share/classes/com/sun/media/sound/Platform.java b/jdk/src/java.desktop/share/classes/com/sun/media/sound/Platform.java
index 493aa7e0bd5..469be149c81 100644
--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/Platform.java
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/Platform.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -64,13 +64,6 @@ final class Platform {
     // SYSTEM CHARACTERISTICS
     // vary according to hardware architecture
 
-    // signed8 (use signed 8-bit values) is true for everything we support except for
-    // the solaris sbpro card.
-    // we'll leave it here as a variable; in the future we may need this in java.
-    // wait, is that true?  i'm not sure.  i think solaris takes unsigned data?
-    // $$kk: 03.11.99: i think solaris takes unsigned 8-bit or signed 16-bit data....
-    private static boolean signed8;
-
     // intel is little-endian.  sparc is big-endian.
     private static boolean bigEndian;
 
@@ -110,14 +103,6 @@ final class Platform {
     }
 
 
-    /**
-     * Determine whether the system takes signed 8-bit data.
-     */
-    static boolean isSigned8() {
-
-        return signed8;
-    }
-
     // PRIVATE METHODS
 
     /**
@@ -185,17 +170,14 @@ final class Platform {
 
     // the following native methods are implemented in Platform.c
     private native static boolean nIsBigEndian();
-    private native static boolean nIsSigned8();
     private native static String nGetExtraLibraries();
     private native static int nGetLibraryForFeature(int feature);
 
-
     /**
      * Read the required system properties.
      */
     private static void readProperties() {
         // $$fb 2002-03-06: implement check for endianness in native. Facilitates porting !
         bigEndian = nIsBigEndian();
-        signed8 = nIsSigned8(); // Solaris on Sparc: signed, all others unsigned
     }
 }
diff --git a/jdk/src/java.desktop/share/native/libjsound/Platform.c b/jdk/src/java.desktop/share/native/libjsound/Platform.c
index 5e373be34b8..9533bd8bbf7 100644
--- a/jdk/src/java.desktop/share/native/libjsound/Platform.c
+++ b/jdk/src/java.desktop/share/native/libjsound/Platform.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -38,19 +38,6 @@ JNIEXPORT jboolean JNICALL Java_com_sun_media_sound_Platform_nIsBigEndian(JNIEnv
     return UTIL_IsBigEndianPlatform();
 }
 
-/*
- * Class:     com_sun_media_sound_Platform
- * Method:    nIsSigned8
- * Signature: ()Z
- */
-JNIEXPORT jboolean JNICALL Java_com_sun_media_sound_Platform_nIsSigned8(JNIEnv *env, jclass clss) {
-#if ((X_ARCH == X_SPARC) || (X_ARCH == X_SPARCV9))
-    return 1;
-#else
-    return 0;
-#endif
-}
-
 /*
  * Class:     com_sun_media_sound_Platform
  * Method:    nGetExtraLibraries
diff --git a/jdk/src/java.desktop/share/native/libjsound/SoundDefs.h b/jdk/src/java.desktop/share/native/libjsound/SoundDefs.h
index 90334cf9ff5..ab4c1fa9dfb 100644
--- a/jdk/src/java.desktop/share/native/libjsound/SoundDefs.h
+++ b/jdk/src/java.desktop/share/native/libjsound/SoundDefs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,32 +34,13 @@
 #define X_BSD           4
 #define X_MACOSX        5
 
-// types for X_ARCH
-#define X_I586          1
-#define X_SPARC         2
-#define X_SPARCV9       3
-#define X_IA64          4
-#define X_AMD64         5
-#define X_ZERO          6
-#define X_ARM           7
-#define X_PPC           8
-
 // **********************************
-// Make sure you set X_PLATFORM and X_ARCH defines correctly.
+// Make sure you set X_PLATFORM defines correctly.
 // Everything depends upon this flag being setup correctly.
 // **********************************
 
-#if (X_PLATFORM == X_MACOSX) && !defined(X_ARCH)
-#if __x86_64__
-#define X_ARCH X_AMD64
-#endif
-#if __i386__
-#define X_ARCH X_I586
-#endif
-#endif
-
-#if (!defined(X_PLATFORM) || !defined(X_ARCH))
-#error "You need to define X_PLATFORM and X_ARCH outside of the source. Use the types above."
+#if (!defined(X_PLATFORM))
+#error "You need to define X_PLATFORM outside of the source. Use the types above."
 #endif