diff --git a/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug b/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug
index 3fe50c90f..334e6c136 100644
--- a/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug
+++ b/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug
@@ -9,10 +9,6 @@
 
 include $(CONFIG)/os/CONFIG.solaris-sparc.solaris-sparc
 
-#BUILD_CLASS = HOST
-#HOST_OPT = NO
+BUILD_CLASS=HOST
+HOST_OPT=NO
 
-GNU = NO
-
-# Removes -O optimization and adds -g compile option
-CROSS_OPT=NO