diff --git a/ANNOUNCE b/ANNOUNCE
index e92a9e5c0..e706ee640 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.6.0beta36 - December 24, 2012
+Libpng 1.6.0beta36 - December 27, 2012
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -578,10 +578,11 @@ Version 1.6.0beta35 [December 23, 2012]
     Microsoft) and ARM compilation is made possible by deleting the check for
     x86. The test programs cannot be run because they are not signed.
 
-Version 1.6.0beta36 [December 24, 2012]
+Version 1.6.0beta36 [December 27, 2012]
   Discontinued distributing libpng-1.x.x.tar.bz2.
   Discontinued distributing libpng-1.7.0-1.6.0-diff.txt and similar.
   Rebuilt configure with autoconf-2.69 (inadvertently not done in beta33)
+  Fixed 'make distcheck' on SUN OS - libpng.so was not being removed
 
   ===========================================================================
                        NOTICE November 17, 2012:
diff --git a/CHANGES b/CHANGES
index 2d5432cbc..aff7c7707 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4330,10 +4330,11 @@ Version 1.6.0beta35 [December 23, 2012]
     Microsoft) and ARM compilation is made possible by deleting the check for
     x86. The test programs cannot be run because they are not signed.
 
-Version 1.6.0beta36 [December 24, 2012]
+Version 1.6.0beta36 [December 27, 2012]
   Discontinued distributing libpng-1.x.x.tar.bz2.
   Discontinued distributing libpng-1.7.0-1.6.0-diff.txt and similar.
   Rebuilt configure with autoconf-2.69 (inadvertently not done in beta33)
+  Fixed 'make distcheck' on SUN OS - libpng.so was not being removed
 
   ===========================================================================
                        NOTICE November 17, 2012:
diff --git a/Makefile.am b/Makefile.am
index 120b643dc..357394d0b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -267,4 +267,8 @@ uninstall-hook:
 	rm -f '$(DESTDIR)$(bindir)/libpng-config'
 	rm -f '$(DESTDIR)$(libdir)/libpng.a'
 	rm -f '$(DESTDIR)$(libdir)/libpng.la'
+	rm -f '$(DESTDIR)$(libdir)/libpng.so'
+	rm -f '$(DESTDIR)$(libdir)/libpng.so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@'
+	rm -f '$(DESTDIR)$(libdir)/libpng.sl'
+	rm -f '$(DESTDIR)$(libdir)/libpng.dylib'
 	rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'