diff --git a/ps/common.h b/ps/common.h
index 1b02c90f..197f9c21 100644
--- a/ps/common.h
+++ b/ps/common.h
@@ -146,7 +146,6 @@ makEXT(VM_RSS)
 makEXT(VM_SIZE)
 makEXT(VM_STACK)
 makEXT(VSIZE_PGS)
-makEXT(WCHAN_ADDR)
 makEXT(WCHAN_NAME)
 makEXT(extra)
 makEXT(noop)
diff --git a/ps/global.c b/ps/global.c
index 6ecad377..adffd35f 100644
--- a/ps/global.c
+++ b/ps/global.c
@@ -136,7 +136,6 @@ makREL(VM_RSS)
 makREL(VM_SIZE)
 makREL(VM_STACK)
 makREL(VSIZE_PGS)
-makREL(WCHAN_ADDR)
 makREL(WCHAN_NAME)
 makREL(extra)
 makREL(noop)