diff --git a/tests/unistd_test.cpp b/tests/unistd_test.cpp
index cd51e1b..2917130 100644
--- a/tests/unistd_test.cpp
+++ b/tests/unistd_test.cpp
@@ -701,7 +701,7 @@
   EXPECT_GT(_POSIX_CHILD_MAX, 0);
   EXPECT_NE(_POSIX_CHOWN_RESTRICTED, -1);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_CLOCK_SELECTION);
-  EXPECT_EQ(0, _POSIX_CPUTIME);             // Use sysconf to detect support at runtime.
+  EXPECT_EQ(_POSIX_VERSION, _POSIX_CPUTIME);
   EXPECT_GT(_POSIX_DELAYTIMER_MAX, 0);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_FSYNC);
   EXPECT_GT(_POSIX_HOST_NAME_MAX, 0);
@@ -715,7 +715,7 @@
   EXPECT_EQ(_POSIX_VERSION, _POSIX_MEMLOCK);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_MEMLOCK_RANGE);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_MEMORY_PROTECTION);
-  EXPECT_EQ(0, _POSIX_MONOTONIC_CLOCK);
+  EXPECT_EQ(_POSIX_VERSION, _POSIX_MONOTONIC_CLOCK);
   EXPECT_GT(_POSIX_MQ_OPEN_MAX, 0);
   EXPECT_GT(_POSIX_MQ_PRIO_MAX, 0);
   EXPECT_GT(_POSIX_NAME_MAX, 0);
@@ -745,7 +745,7 @@
   EXPECT_EQ(_POSIX_VERSION, _POSIX_THREADS);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_ATTR_STACKADDR);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_ATTR_STACKSIZE);
-  EXPECT_EQ(0, _POSIX_THREAD_CPUTIME);       // Use sysconf to detect support at runtime.
+  EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_CPUTIME);
   EXPECT_GT(_POSIX_THREAD_DESTRUCTOR_ITERATIONS, 0);
   EXPECT_EQ(_POSIX_THREAD_KEYS_MAX, 128);
   EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_PRIORITY_SCHEDULING);