diff --git a/target/desktop/config.in b/target/desktop/config.in
index 2eab85ca0..3118b8b54 100644
--- a/target/desktop/config.in
+++ b/target/desktop/config.in
@@ -116,7 +116,6 @@ ROCKCFGSET_DIETLIBC=0
 ROCKCFGSET_DO_REBUILD_STAGE=0
 ROCKCFGSET_CREATE_DOCS=1
 ROCKCFGSET_DISABLE_NLS=0
-ROCKCFGSET_OPTSIZE=1
 
 # Linux kernel preconfig
 ROCKCFGSET_PKG_LINUX_CUSTCONFIG=1
diff --git a/target/server/config.in b/target/server/config.in
index 1cca6ce0c..d0620bb5e 100644
--- a/target/server/config.in
+++ b/target/server/config.in
@@ -90,7 +90,6 @@ ROCKCFGSET_CREATE_GEM=1
 
 ROCKCFGSET_CREATE_DOCS=1
 ROCKCFGSET_DISABLE_NLS=0
-ROCKCFGSET_OPTSIZE=1
 ROCKCFGSET_PKG_GCC3_STACKPRO='1'
 
 # Linux kernel preconfig