diff --git a/tests/test-merge-tools.t b/tests/test-merge-tools.t
--- a/tests/test-merge-tools.t
+++ b/tests/test-merge-tools.t
@@ -72,7 +72,7 @@ hg merge -r 2
 override $PATH to ensure hgmerge not visible; use $PYTHON in case we're
 running from a devel copy, not a temp installation
 
-  $ PATH="$BINDIR:/usr/sbin" "$PYTHON" "$BINDIR"/hg merge -r 2
+  $ PATH="/usr/sbin" "$PYTHON" "$BINDIR"/hg merge -r 2
   merging f
   warning: conflicts while merging f! (edit, then use 'hg resolve --mark')
   0 files updated, 0 files merged, 0 files removed, 1 files unresolved
@@ -121,7 +121,7 @@ unexecutable file in $PATH shouldn't be 
 
   $ echo "echo fail" > false
   $ hg up -qC 1
-  $ PATH="`pwd`:$BINDIR:/usr/sbin" "$PYTHON" "$BINDIR"/hg merge -r 2
+  $ PATH="`pwd`:/usr/sbin" "$PYTHON" "$BINDIR"/hg merge -r 2
   merging f
   warning: conflicts while merging f! (edit, then use 'hg resolve --mark')
   0 files updated, 0 files merged, 0 files removed, 1 files unresolved
@@ -135,7 +135,7 @@ executable directory in $PATH shouldn't 
 
   $ mkdir false
   $ hg up -qC 1
-  $ PATH="`pwd`:$BINDIR:/usr/sbin" "$PYTHON" "$BINDIR"/hg merge -r 2
+  $ PATH="`pwd`:/usr/sbin" "$PYTHON" "$BINDIR"/hg merge -r 2
   merging f
   warning: conflicts while merging f! (edit, then use 'hg resolve --mark')
   0 files updated, 0 files merged, 0 files removed, 1 files unresolved