diff --git a/arch/arm/src/armv7-m/up_doirq.c b/arch/arm/src/armv7-m/up_doirq.c
index ed33a27aed1..8a9cea505e9 100644
--- a/arch/arm/src/armv7-m/up_doirq.c
+++ b/arch/arm/src/armv7-m/up_doirq.c
@@ -67,7 +67,7 @@ uint32_t *up_doirq(int irq, uint32_t *regs)
    * CURRENT_REGS is handled and (2) the design associated with
    * CONFIG_ARCH_INTERRUPTSTACK.  The savestate variable will not work for
    * that purpose as implemented here because only the outermost nested
-   * interrupt can result in a context switch (it can probably be deleted).
+   * interrupt can result in a context switch.
    */
 
   /* Current regs non-zero indicates that we are processing an interrupt;