diff --git a/cpp/ql/lib/semmle/code/cpp/regex/RegexTreeView.qll b/cpp/ql/lib/semmle/code/cpp/regex/RegexTreeView.qll
index 1d961d3b977..85f26326d28 100644
--- a/cpp/ql/lib/semmle/code/cpp/regex/RegexTreeView.qll
+++ b/cpp/ql/lib/semmle/code/cpp/regex/RegexTreeView.qll
@@ -651,7 +651,7 @@ private module Impl implements RegexTreeViewSig {
    * ```
    */
   class RegExpCharacterClassEscape extends RegExpEscape {
-    RegExpCharacterClassEscape() { this.getValue() in ["d", "D", "s", "S", "w", "W", "h", "H"] }
+    RegExpCharacterClassEscape() { this.getValue() in ["d", "D", "s", "S", "w", "W"] }
 
     override RegExpTerm getChild(int i) { none() }
 
diff --git a/cpp/ql/test/library-tests/regex/parse.expected b/cpp/ql/test/library-tests/regex/parse.expected
index 6eba9076ae4..a01d9f6a61e 100644
--- a/cpp/ql/test/library-tests/regex/parse.expected
+++ b/cpp/ql/test/library-tests/regex/parse.expected
@@ -86,10 +86,6 @@
 
 #-----| [RegExpConstant, RegExpEscape] \t
 
-#-----| [RegExpCharacterClassEscape] \h
-
-#-----| [RegExpCharacterClassEscape] \H
-
 #-----| [RegExpCharacterClassEscape] \d
 
 #-----| [RegExpCharacterClassEscape] \D
@@ -226,10 +222,6 @@
 #-----| 1 -> [RegExpConstant, RegExpEscape] \r
 #-----| 2 -> [RegExpConstant, RegExpEscape] \t
 
-#-----| [RegExpSequence] \h\H
-#-----| 0 -> [RegExpCharacterClassEscape] \h
-#-----| 1 -> [RegExpCharacterClassEscape] \H
-
 #-----| [RegExpSequence] \d\D
 #-----| 0 -> [RegExpCharacterClassEscape] \d
 #-----| 1 -> [RegExpCharacterClassEscape] \D
diff --git a/cpp/ql/test/library-tests/regex/regexp.cpp b/cpp/ql/test/library-tests/regex/regexp.cpp
index e323213ef23..4dc78d789f3 100644
--- a/cpp/ql/test/library-tests/regex/regexp.cpp
+++ b/cpp/ql/test/library-tests/regex/regexp.cpp
@@ -47,7 +47,6 @@ std::regex r_meta1m(".*"); // /.*/m mode variant — mode flags are constructor
 std::regex r_meta2("\\w+\\W");
 std::regex r_meta3("\\s\\S");
 std::regex r_meta4("\\d\\D");
-std::regex r_meta5("\\h\\H");
 std::regex r_meta6("\\n\\r\\t");
 
 // Anchors
diff --git a/cpp/ql/test/library-tests/regex/regexp.expected b/cpp/ql/test/library-tests/regex/regexp.expected
index 31168fbae14..770d2f201dd 100644
--- a/cpp/ql/test/library-tests/regex/regexp.expected
+++ b/cpp/ql/test/library-tests/regex/regexp.expected
@@ -76,7 +76,6 @@ term
 | file://:0:0:0:0 | \\1 | RegExpBackRef |
 | file://:0:0:0:0 | \\B | RegExpNonWordBoundary |
 | file://:0:0:0:0 | \\D | RegExpCharacterClassEscape |
-| file://:0:0:0:0 | \\H | RegExpCharacterClassEscape |
 | file://:0:0:0:0 | \\P{Digit} | RegExpNamedCharacterProperty |
 | file://:0:0:0:0 | \\P{Digit}+ | RegExpPlus |
 | file://:0:0:0:0 | \\S | RegExpCharacterClassEscape |
@@ -88,8 +87,6 @@ term
 | file://:0:0:0:0 | \\b!a\\B | RegExpSequence |
 | file://:0:0:0:0 | \\d | RegExpCharacterClassEscape |
 | file://:0:0:0:0 | \\d\\D | RegExpSequence |
-| file://:0:0:0:0 | \\h | RegExpCharacterClassEscape |
-| file://:0:0:0:0 | \\h\\H | RegExpSequence |
 | file://:0:0:0:0 | \\k<qux> | RegExpBackRef |
 | file://:0:0:0:0 | \\k<qux>+ | RegExpPlus |
 | file://:0:0:0:0 | \\n | RegExpConstant,RegExpEscape |
@@ -208,13 +205,11 @@ regExpNormalCharValue
 | file://:0:0:0:0 | Z | Z |
 | file://:0:0:0:0 | [ | [ |
 | file://:0:0:0:0 | \\D | D |
-| file://:0:0:0:0 | \\H | H |
 | file://:0:0:0:0 | \\S | S |
 | file://:0:0:0:0 | \\W | W |
 | file://:0:0:0:0 | \\[ | [ |
 | file://:0:0:0:0 | \\] | ] |
 | file://:0:0:0:0 | \\d | d |
-| file://:0:0:0:0 | \\h | h |
 | file://:0:0:0:0 | \\n | \n |
 | file://:0:0:0:0 | \\n | \n |
 | file://:0:0:0:0 | \\r | \r |