diff --git a/README.md b/README.md
index f4a8717..d428e7e 100644
--- a/README.md
+++ b/README.md
@@ -209,8 +209,8 @@ A complete overview of all tp.el functions organized by category:
 | [`tp-define-layer`](#tp-define-layer---define-layers) | Define a layer or layer group |
 | [`tp-layer-props`](#tp-layer-props--tp-group-props) | Get properties for a layer |
 | [`tp-group-props`](#tp-layer-props--tp-group-props) | Get properties for all layers in a group |
-| [`tp-layer-undefine`](#tp-layer-undefine--tp-group-undefine) | Remove layer definition |
-| [`tp-group-undefine`](#tp-layer-undefine--tp-group-undefine) | Remove group definition |
+| [`tp-undefine-layer`](#tp-undefine-layer--tp-undefine-group) | Remove layer definition |
+| [`tp-undefine-group`](#tp-undefine-layer--tp-undefine-group) | Remove group definition |
 | [`tp-layer-reset`](#tp-layer-reset) | Clear all layer/group definitions |
 
 #### Property Layer Placement Functions
@@ -1139,11 +1139,11 @@ Get properties for a layer or all layers in a group.
 
 ---
 
-#### `tp-layer-undefine` / `tp-group-undefine`
+#### `tp-undefine-layer` / `tp-undefine-group`
 
 ```elisp
-(tp-layer-undefine NAME)
-(tp-group-undefine NAME)
+(tp-undefine-layer NAME)
+(tp-undefine-group NAME)
 ```
 
 Remove layer or group definition.
@@ -1155,7 +1155,7 @@ Remove layer or group definition.
 (progn
   (setq tp-layer-alist nil)
   (tp-define-layer temp-layer (face bold))
-  (tp-layer-undefine 'temp-layer)
+  (tp-undefine-layer 'temp-layer)
   (tp-layer-props 'temp-layer))
 ;; => nil
 
@@ -1165,7 +1165,7 @@ Remove layer or group definition.
   (setq tp-layer-groups nil)
   (tp-define-layer l1 (face bold))
   (tp-define-layer my-group l1)
-  (tp-group-undefine 'my-group)
+  (tp-undefine-group 'my-group)
   (assoc 'my-group tp-layer-groups))
 ;; => nil
 ```
@@ -1796,18 +1796,6 @@ Get name of the top (visible) layer.
 
 ---
 
-## Aliases
-
-For convenience, tp.el provides these aliases:
-
-| Alias | Original Function |
-|-------|-------------------|
-| `tp-layer-properties` | `tp-layer-props` |
-| `tp-layer-group-properties` | `tp-group-props` |
-| `tp-layer-group-undefine` | `tp-group-undefine` |
-
----
-
 ## License
 
 GNU General Public License v2 or later.
diff --git a/README_CN.md b/README_CN.md
index d727d3b..9652a15 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -208,8 +208,8 @@ tp.el 所有函数按类别组织的完整概览：
 | [`tp-define-layer`](#tp-define-layer---定义属性层) | 定义属性层或属性层组 |
 | [`tp-layer-props`](#tp-layer-props--tp-group-props) | 获取属性层的属性 |
 | [`tp-group-props`](#tp-layer-props--tp-group-props) | 获取属性层组中所有属性层的属性 |
-| [`tp-layer-undefine`](#tp-layer-undefine--tp-group-undefine) | 移除属性层定义 |
-| [`tp-group-undefine`](#tp-layer-undefine--tp-group-undefine) | 移除属性层组定义 |
+| [`tp-undefine-layer`](#tp-undefine-layer--tp-undefine-group) | 移除属性层定义 |
+| [`tp-undefine-group`](#tp-undefine-layer--tp-undefine-group) | 移除属性层组定义 |
 | [`tp-layer-reset`](#tp-layer-reset) | 清除所有属性层/属性层组定义 |
 
 #### 属性层放置函数
@@ -1133,11 +1133,11 @@ Emacs 的 `text-property-search-forward` 和 `text-property-search-backward` 的
 
 ---
 
-#### `tp-layer-undefine` / `tp-group-undefine`
+#### `tp-undefine-layer` / `tp-undefine-group`
 
 ```elisp
-(tp-layer-undefine NAME)
-(tp-group-undefine NAME)
+(tp-undefine-layer NAME)
+(tp-undefine-group NAME)
 ```
 
 移除属性层或属性层组定义。
@@ -1149,7 +1149,7 @@ Emacs 的 `text-property-search-forward` 和 `text-property-search-backward` 的
 (progn
   (setq tp-layer-alist nil)
   (tp-define-layer temp-layer (face bold))
-  (tp-layer-undefine 'temp-layer)
+  (tp-undefine-layer 'temp-layer)
   (tp-layer-props 'temp-layer))
 ;; => nil
 
@@ -1159,7 +1159,7 @@ Emacs 的 `text-property-search-forward` 和 `text-property-search-backward` 的
   (setq tp-layer-groups nil)
   (tp-define-layer l1 (face bold))
   (tp-define-layer my-group l1)
-  (tp-group-undefine 'my-group)
+  (tp-undefine-group 'my-group)
   (assoc 'my-group tp-layer-groups))
 ;; => nil
 ```
@@ -1790,18 +1790,6 @@ Emacs 的 `text-property-search-forward` 和 `text-property-search-backward` 的
 
 ---
 
-## 别名
-
-为方便使用，tp.el 提供以下别名：
-
-| 别名 | 原函数 |
-|------|--------|
-| `tp-layer-properties` | `tp-layer-props` |
-| `tp-layer-group-properties` | `tp-group-props` |
-| `tp-layer-group-undefine` | `tp-group-undefine` |
-
----
-
 ## 许可证
 
 GNU 通用公共许可证 v2 或更高版本。
diff --git a/tp-tests.el b/tp-tests.el
index d2458b9..75dc5dc 100644
--- a/tp-tests.el
+++ b/tp-tests.el
@@ -249,12 +249,12 @@
     (should (null (tp-layer-props 'undefined-layer)))))
 
 (ert-deftest tp-test-layer-undefine ()
-  "Test tp-layer-undefine removes layer definition."
+  "Test tp-undefine-layer removes layer definition."
   (tp-test-with-temp-buffer
-    (tp-define-layer test-layer (face bold))
-    (should (assoc 'test-layer tp-layer-alist))
-    (tp-layer-undefine 'test-layer)
-    (should-not (assoc 'test-layer tp-layer-alist))))
+   (tp-define-layer test-layer (face bold))
+   (should (assoc 'test-layer tp-layer-alist))
+   (tp-undefine-layer 'test-layer)
+   (should-not (assoc 'test-layer tp-layer-alist))))
 
 ;;; ============================================================
 ;;; Layer Group Tests (using tp-define-layer with multiple layers)
@@ -288,13 +288,13 @@
         (should (memq 'italic faces))))))
 
 (ert-deftest tp-test-group-undefine ()
-  "Test tp-group-undefine removes group definition."
+  "Test tp-undefine-group removes group definition."
   (tp-test-with-temp-buffer
-    (tp-define-layer layer1 (face bold))
-    (tp-define-layer my-group layer1)
-    (should (assoc 'my-group tp-layer-groups))
-    (tp-group-undefine 'my-group)
-    (should-not (assoc 'my-group tp-layer-groups))))
+   (tp-define-layer layer1 (face bold))
+   (tp-define-layer my-group layer1)
+   (should (assoc 'my-group tp-layer-groups))
+   (tp-undefine-group 'my-group)
+   (should-not (assoc 'my-group tp-layer-groups))))
 
 (ert-deftest tp-test-layer-reset ()
   "Test tp-layer-reset clears all definitions."
@@ -860,25 +860,6 @@
 
 ;; Tests for tp-search are in Search and Navigation Tests section above
 
-;;; ============================================================
-;;; Alias Tests
-;;; ============================================================
-
-(ert-deftest tp-test-aliases-exist ()
-  "Test that all aliases are properly defined."
-  (should (fboundp 'tp-set))
-  (should (fboundp 'tp-layer-properties))
-  (should (fboundp 'tp-layer-group-properties))
-  (should (fboundp 'tp-layer-group-undefine)))
-
-(ert-deftest tp-test-aliases-work ()
-  "Test that aliases work correctly."
-  (tp-test-with-temp-buffer
-    ;; Test tp-set alias
-    (insert "Hello")
-    (tp-set 1 6 '(face bold))
-    (should (eq (tp-at 1 'face) 'bold))))
-
 ;;; ============================================================
 ;;; Edge Case Tests
 ;;; ============================================================
@@ -886,8 +867,8 @@
 (ert-deftest tp-test-empty-region ()
   "Test operations on empty buffer."
   (tp-test-with-temp-buffer
-    (should (null (tp-at 1)))
-    (should (tp-empty-p))))
+   (should (null (tp-at 1)))
+   (should (tp-empty-p))))
 
 (ert-deftest tp-test-overlapping-regions ()
   "Test overlapping property regions."
diff --git a/tp.el b/tp.el
index 99c8f94..4633664 100644
--- a/tp.el
+++ b/tp.el
@@ -1515,9 +1515,6 @@ Appends 'tp-name property to identify the layer."
   (when-let ((plist (cdr (assoc layer-name tp-layer-alist))))
     (append plist (list 'tp-name layer-name))))
 
-(defalias 'tp-layer-properties 'tp-layer-props
-  "Alias for `tp-layer-props'.")
-
 (defun tp-group-props (group-name)
   "Return list of properties for all layers in GROUP-NAME."
   (when-let ((layers (cdr (assoc group-name tp-layer-groups))))
@@ -1525,9 +1522,6 @@ Appends 'tp-name property to identify the layer."
               (tp-layer-props layer))
             layers)))
 
-(defalias 'tp-layer-group-properties 'tp-group-props
-  "Alias for `tp-group-props'.")
-
 (defun tp-layer-reset ()
   "Reset all layer definitions.
 Clears both `tp-layer-alist' and `tp-layer-groups'."
@@ -1535,17 +1529,14 @@ Clears both `tp-layer-alist' and `tp-layer-groups'."
   (setq tp-layer-alist nil)
   (setq tp-layer-groups nil))
 
-(defun tp-layer-undefine (name)
+(defun tp-undefine-layer (name)
   "Remove layer NAME from `tp-layer-alist'."
   (setq tp-layer-alist (assq-delete-all name tp-layer-alist)))
 
-(defun tp-group-undefine (name)
+(defun tp-undefine-group (name)
   "Remove layer group NAME from `tp-layer-groups'."
   (setq tp-layer-groups (assq-delete-all name tp-layer-groups)))
 
-(defalias 'tp-layer-group-undefine 'tp-group-undefine
-  "Alias for `tp-group-undefine'.")
-
 (defun tp-intervals-map (function start end &optional object)
   "Apply FUNCTION to all intervals between START and END in OBJECT.
 FUNCTION receives four arguments: interval-start, interval-end,