remove less complete of duplicate docs
diff --git a/Doc/library/imp.rst b/Doc/library/imp.rst
index 3909c0f..ec86552 100644
--- a/Doc/library/imp.rst
+++ b/Doc/library/imp.rst
@@ -190,19 +190,6 @@
continue to use the old class definition. The same is true for derived classes.
-.. function:: acquire_lock()
-
- Acquires the interpreter's import lock for the current thread. This lock should
- be used by import hooks to ensure thread-safety when importing modules. On
- platforms without threads, this function does nothing.
-
-
-.. function:: release_lock()
-
- Release the interpreter's import lock. On platforms without threads, this
- function does nothing.
-
-
The following functions and data provide conveniences for handling :pep:`3147`
byte-compiled file paths.