diff --git a/tests/zfs-tests/tests/functional/replacement/replacement_001_pos.ksh b/tests/zfs-tests/tests/functional/replacement/replacement_001_pos.ksh
index 1d66ff7c6e..fcc575f832 100755
--- a/tests/zfs-tests/tests/functional/replacement/replacement_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/replacement_001_pos.ksh
@@ -99,9 +99,6 @@ function replace_test
 		typeset pid=$!
 
 		$SLEEP 1
-		if ! $PS -p $pid > /dev/null 2>&1; then
-			log_fail "$FILE_TRUNC $options $TESTDIR/$TESTFILE.$i"
-		fi
 
 		child_pids="$child_pids $pid"
 		((i = i + 1))
diff --git a/tests/zfs-tests/tests/functional/replacement/replacement_002_pos.ksh b/tests/zfs-tests/tests/functional/replacement/replacement_002_pos.ksh
index 37903961d7..aae6d78a71 100755
--- a/tests/zfs-tests/tests/functional/replacement/replacement_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/replacement_002_pos.ksh
@@ -99,9 +99,6 @@ function attach_test
 		typeset pid=$!
 
 		$SLEEP 1
-		if ! $PS -p $pid > /dev/null 2>&1; then
-			log_fail "$FILE_TRUNC $options $TESTDIR/$TESTFILE.$i"
-		fi
 
 		child_pids="$child_pids $pid"
 		((i = i + 1))
diff --git a/tests/zfs-tests/tests/functional/replacement/replacement_003_pos.ksh b/tests/zfs-tests/tests/functional/replacement/replacement_003_pos.ksh
index 3553264549..1a7a7d87b3 100755
--- a/tests/zfs-tests/tests/functional/replacement/replacement_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/replacement_003_pos.ksh
@@ -97,9 +97,6 @@ function detach_test
 		typeset pid=$!
 
 		$SLEEP 1
-		if ! $PS -p $pid > /dev/null 2>&1; then
-			log_fail "$FILE_TRUNC $options $TESTDIR/$TESTFILE.$i"
-		fi
 
 		child_pids="$child_pids $pid"
 		((i = i + 1))