diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6b1b1703a646..93d97f9b0157 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -311,7 +311,7 @@ config HEADERS_CHECK
 	  relevant for userspace, say 'Y'.
 
 config OPTIMIZE_INLINING
-	bool "Allow compiler to uninline functions marked 'inline'"
+	def_bool y
 	help
 	  This option determines if the kernel forces gcc to inline the functions
 	  developers have marked 'inline'. Doing so takes away freedom from gcc to
@@ -322,8 +322,6 @@ config OPTIMIZE_INLINING
 	  decision will become the default in the future. Until then this option
 	  is there to test gcc for this.
 
-	  If unsure, say N.
-
 config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
 	help