diff --git a/make/jprt.config b/make/jprt.config
index dd9940763c2c517aa1e610076ec0e248b65f5960..02fdbc0c51b4548bef904d5f735e80a0661cbbef 100644
--- a/make/jprt.config
+++ b/make/jprt.config
@@ -77,9 +77,7 @@ if [ "${osname}" = SunOS ] ; then
             # All jdk6 builds use SS11
             compiler_name=SS11
         else
-            # FIXUP: Change to SS12 once it has been validated.
-	    #compiler_name=SS12
-            compiler_name=SS11
+	    compiler_name=SS12
         fi
     fi
     
diff --git a/make/solaris/makefiles/sparcWorks.make b/make/solaris/makefiles/sparcWorks.make
index 83ef29612ee0f1c99a0ccbe2e582171ae745d143..5bbe70f9f10d03915fa7dafd039849affe38b720 100644
--- a/make/solaris/makefiles/sparcWorks.make
+++ b/make/solaris/makefiles/sparcWorks.make
@@ -51,12 +51,9 @@ ifeq ($(JDK_MINOR_VERSION),6)
   VALIDATED_COMPILER_REV   := 5.8
   VALIDATED_C_COMPILER_REV := 5.8
 else
-  # FIXUP: Change to SS12 (5.9) once it has been validated.
   # Validated compiler for JDK7 is SS12 (5.9)
-  #VALIDATED_COMPILER_REV   := 5.9
-  #VALIDATED_C_COMPILER_REV := 5.9
-  VALIDATED_COMPILER_REV   := 5.8
-  VALIDATED_C_COMPILER_REV := 5.8
+  VALIDATED_COMPILER_REV   := 5.9
+  VALIDATED_C_COMPILER_REV := 5.9
 endif
 
 # Warning messages about not using the above validated version