diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 1bbe1da..93c03425 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -394,8 +394,6 @@
 		goto out;
 
 	error = do_execve(filename, uargv, uenvp, regs);
-	if (error == 0)
-		current->ptrace &= ~PT_DTRACE;
 	putname(filename);
 
 out:
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 234cf34..892cce8 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -281,9 +281,6 @@
 	error = PTR_ERR(filename);
 	if (!IS_ERR(filename)) {
 		error = do_execve(filename, argv, envp, __frame);
-		if (error == 0)
-			current->ptrace &= ~PT_DTRACE;
-
 		putname(filename);
 	}
 
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
index 5cbe9f9..5407536 100644
--- a/arch/parisc/hpux/fs.c
+++ b/arch/parisc/hpux/fs.c
@@ -44,11 +44,6 @@
 	error = do_execve(filename, (char __user * __user *) regs->gr[25],
 		(char __user * __user *) regs->gr[24], regs);
 
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 	putname(filename);
 
 out:
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 6f69101..61c0707 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -349,11 +349,6 @@
 		goto out;
 	error = do_execve(filename, (char __user * __user *) regs->gr[25],
 		(char __user * __user *) regs->gr[24], regs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 	putname(filename);
 out:
 
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index 0838155..1adb40c 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -77,11 +77,6 @@
 		goto out;
 	error = compat_do_execve(filename, compat_ptr(regs->gr[25]),
 				 compat_ptr(regs->gr[24]), regs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 	putname(filename);
 out:
 
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 002c70d..9ab188d 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -461,9 +461,6 @@
 		result = rc;
 		goto out_putname;
 	}
-	task_lock(current);
-	current->ptrace &= ~PT_DTRACE;
-	task_unlock(current);
 	current->thread.fp_regs.fpc=0;
 	asm volatile("sfpc %0,0" : : "d" (0));
 	result = regs->gprs[2];
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 355f7a3..5a43f27 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -266,9 +266,6 @@
 
 asmlinkage void execve_tail(void)
 {
-	task_lock(current);
-	current->ptrace &= ~PT_DTRACE;
-	task_unlock(current);
 	current->thread.fp_regs.fpc = 0;
 	if (MACHINE_HAS_IEEE)
 		asm volatile("sfpc %0,%0" : : "d" (0));
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 9289ede..601bbc0 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -367,11 +367,6 @@
 		goto out;
 
 	error = do_execve(filename, uargv, uenvp, regs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 	putname(filename);
 out:
 	return error;
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 96be839..3826773 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -529,11 +529,6 @@
 			  (char __user * __user *)uargv,
 			  (char __user * __user *)uenvp,
 			  pregs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 	putname(filename);
 out:
 	return error;
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 031f366..e1a04a3 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -331,11 +331,6 @@
 	if (IS_ERR(filename))
 		goto out;
 	error = do_execve(filename, argv, envp, regs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 	putname(filename);
 out:
 	return error;