diff --git a/sys/src/9/bcm/vfp3.c b/sys/src/9/bcm/vfp3.c
index cefeda261..8f8588118 100644
--- a/sys/src/9/bcm/vfp3.c
+++ b/sys/src/9/bcm/vfp3.c
@@ -286,8 +286,7 @@ fpuprocsave(Proc *p)
 			/*
 			 * Fpsave() stores without handling pending
 			 * unmasked exeptions. Postnote() can't be called
-			 * here as sleep() already has up->rlock, so
-			 * the handling of pending exceptions is delayed
+			 * so the handling of pending exceptions is delayed
 			 * until the process runs again and generates an
 			 * emulation fault to activate the FPU.
 			 */
diff --git a/sys/src/9/pc/main.c b/sys/src/9/pc/main.c
index ba8fbc508..0bf5ab7c4 100644
--- a/sys/src/9/pc/main.c
+++ b/sys/src/9/pc/main.c
@@ -316,8 +316,7 @@ procsave(Proc *p)
 			/*
 			 * Fpsave() stores without handling pending
 			 * unmasked exeptions. Postnote() can't be called
-			 * here as sleep() already has up->rlock, so
-			 * the handling of pending exceptions is delayed
+			 * so the handling of pending exceptions is delayed
 			 * until the process runs again and generates an
 			 * emulation fault to activate the FPU.
 			 */
diff --git a/sys/src/9/pc64/fpu.c b/sys/src/9/pc64/fpu.c
index 1a5f31251..d95d897e3 100644
--- a/sys/src/9/pc64/fpu.c
+++ b/sys/src/9/pc64/fpu.c
@@ -323,8 +323,7 @@ fpuprocsave(Proc *p)
 		/*
 		 * Fpsave() stores without handling pending
 		 * unmasked exeptions. Postnote() can't be called
-		 * here as sleep() already has up->rlock, so
-		 * the handling of pending exceptions is delayed
+		 * so the handling of pending exceptions is delayed
 		 * until the process runs again and generates an
 		 * emulation fault to activate the FPU.
 		 */
diff --git a/sys/src/9/xen/main.c b/sys/src/9/xen/main.c
index 9d0b32ca1..22fe77dd4 100644
--- a/sys/src/9/xen/main.c
+++ b/sys/src/9/xen/main.c
@@ -370,8 +370,7 @@ procsave(Proc *p)
 			/*
 			 * Fpsave() stores without handling pending
 			 * unmasked exeptions. Postnote() can't be called
-			 * here as sleep() already has up->rlock, so
-			 * the handling of pending exceptions is delayed
+			 * so the handling of pending exceptions is delayed
 			 * until the process runs again and generates an
 			 * emulation fault to activate the FPU.
 			 */