diff --git a/pandas/io/clipboard/__init__.py b/pandas/io/clipboard/__init__.py
index 6491849925e86..1a2749501d5a4 100644
--- a/pandas/io/clipboard/__init__.py
+++ b/pandas/io/clipboard/__init__.py
@@ -17,12 +17,9 @@
 On Windows, no additional modules are needed.
 On Mac, the pyobjc module is used, falling back to the pbcopy and pbpaste cli
     commands. (These commands should come with OS X.).
-On Linux, install xclip, xsel, or wl-clipboard (for "wayland" sessions) via
-package manager.
-For example, in Debian:
+On Linux, install xclip or xsel via package manager. For example, in Debian:
     sudo apt-get install xclip
     sudo apt-get install xsel
-    sudo apt-get install wl-clipboard
 
 Otherwise on Linux, you will need the PyQt5 modules installed.
 
@@ -31,11 +28,12 @@
 Cygwin is currently not supported.
 
 Security Note: This module runs programs with these names:
+    - which
+    - where
     - pbcopy
     - pbpaste
     - xclip
     - xsel
-    - wl-copy/wl-paste
     - klipper
     - qdbus
 A malicious user could rename or add programs with these names, tricking
@@ -43,7 +41,7 @@
 
 """
 
-__version__ = "1.8.2"
+__version__ = "1.7.0"
 
 
 import contextlib
@@ -57,7 +55,7 @@
 )
 import os
 import platform
-from shutil import which as _executable_exists
+from shutil import which
 import subprocess
 import time
 import warnings
@@ -76,14 +74,25 @@
 EXCEPT_MSG = """
     Pyperclip could not find a copy/paste mechanism for your system.
     For more information, please visit
-    https://pyperclip.readthedocs.io/en/latest/index.html#not-implemented-error
+    https://pyperclip.readthedocs.io/en/latest/#not-implemented-error
     """
 
 ENCODING = "utf-8"
 
+# The "which" unix command finds where a command is.
+if platform.system() == "Windows":
+    WHICH_CMD = "where"
+else:
+    WHICH_CMD = "which"
 
-class PyperclipTimeoutException(PyperclipException):
-    pass
+
+def _executable_exists(name):
+    return (
+        subprocess.call(
+            [WHICH_CMD, name], stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        )
+        == 0
+    )
 
 
 def _stringifyText(text) -> str:
@@ -220,32 +229,6 @@ def paste_xsel(primary=False):
     return copy_xsel, paste_xsel
 
 
-def init_wl_clipboard():
-    PRIMARY_SELECTION = "-p"
-
-    def copy_wl(text, primary=False):
-        text = _stringifyText(text)  # Converts non-str values to str.
-        args = ["wl-copy"]
-        if primary:
-            args.append(PRIMARY_SELECTION)
-        if not text:
-            args.append("--clear")
-            subprocess.check_call(args, close_fds=True)
-        else:
-            p = subprocess.Popen(args, stdin=subprocess.PIPE, close_fds=True)
-            p.communicate(input=text.encode(ENCODING))
-
-    def paste_wl(primary=False):
-        args = ["wl-paste", "-n"]
-        if primary:
-            args.append(PRIMARY_SELECTION)
-        p = subprocess.Popen(args, stdout=subprocess.PIPE, close_fds=True)
-        stdout, _stderr = p.communicate()
-        return stdout.decode(ENCODING)
-
-    return copy_wl, paste_wl
-
-
 def init_klipper_clipboard():
     def copy_klipper(text):
         text = _stringifyText(text)  # Converts non-str values to str.
@@ -551,7 +534,7 @@ def determine_clipboard():
         return init_windows_clipboard()
 
     if platform.system() == "Linux":
-        if _executable_exists("wslconfig.exe"):
+        if which("wslconfig.exe"):
             return init_wsl_clipboard()
 
     # Setup for the macOS platform:
@@ -566,8 +549,6 @@ def determine_clipboard():
 
     # Setup for the LINUX platform:
     if HAS_DISPLAY:
-        if os.environ.get("WAYLAND_DISPLAY") and _executable_exists("wl-copy"):
-            return init_wl_clipboard()
         if _executable_exists("xsel"):
             return init_xsel_clipboard()
         if _executable_exists("xclip"):
@@ -621,7 +602,6 @@ def set_clipboard(clipboard):
         "qt": init_qt_clipboard,  # TODO - split this into 'qtpy', 'pyqt4', and 'pyqt5'
         "xclip": init_xclip_clipboard,
         "xsel": init_xsel_clipboard,
-        "wl-clipboard": init_wl_clipboard,
         "klipper": init_klipper_clipboard,
         "windows": init_windows_clipboard,
         "no": init_no_clipboard,
@@ -691,57 +671,8 @@ def is_available() -> bool:
 copy, paste = lazy_load_stub_copy, lazy_load_stub_paste
 
 
-def waitForPaste(timeout=None):
-    """This function call blocks until a non-empty text string exists on the
-    clipboard. It returns this text.
-
-    This function raises PyperclipTimeoutException if timeout was set to
-    a number of seconds that has elapsed without non-empty text being put on
-    the clipboard."""
-    startTime = time.time()
-    while True:
-        clipboardText = paste()
-        if clipboardText != "":
-            return clipboardText
-        time.sleep(0.01)
-
-        if timeout is not None and time.time() > startTime + timeout:
-            raise PyperclipTimeoutException(
-                "waitForPaste() timed out after " + str(timeout) + " seconds."
-            )
-
-
-def waitForNewPaste(timeout=None):
-    """This function call blocks until a new text string exists on the
-    clipboard that is different from the text that was there when the function
-    was first called. It returns this text.
-
-    This function raises PyperclipTimeoutException if timeout was set to
-    a number of seconds that has elapsed without non-empty text being put on
-    the clipboard."""
-    startTime = time.time()
-    originalText = paste()
-    while True:
-        currentText = paste()
-        if currentText != originalText:
-            return currentText
-        time.sleep(0.01)
-
-        if timeout is not None and time.time() > startTime + timeout:
-            raise PyperclipTimeoutException(
-                "waitForNewPaste() timed out after " + str(timeout) + " seconds."
-            )
-
-
-__all__ = [
-    "copy",
-    "paste",
-    "waitForPaste",
-    "waitForNewPaste",
-    "set_clipboard",
-    "determine_clipboard",
-]
+__all__ = ["copy", "paste", "set_clipboard", "determine_clipboard"]
 
 # pandas aliases
 clipboard_get = paste
-clipboard_set = copy
+clipboard_set = copy
\ No newline at end of file