diff --git a/cmake/SIPMacros.cmake b/cmake/SIPMacros.cmake
index 21e22141687..1d58e900a45 100644
--- a/cmake/SIPMacros.cmake
+++ b/cmake/SIPMacros.cmake
@@ -63,6 +63,14 @@ MACRO(GENERATE_SIP_PYTHON_MODULE_CODE MODULE_NAME MODULE_SIP SIP_FILES CPP_FILES
     FILE(RELATIVE_PATH _sip_file_relpath ${BINDING_FILES_ROOT_DIR} "${_sip_file_path}/${_sip_file_name_we}")
     SET(_out_sip_file "${CMAKE_CURRENT_BINARY_DIR}/${_sip_file_relpath}.sip")
     CONFIGURE_FILE(${_sip_file} ${_out_sip_file})
+
+    # Deprecated annotation supports message only since version 6.9.0
+    if(${SIP_VERSION_STR} VERSION_LESS 6.9.0)
+      file(READ ${_out_sip_file} _content)
+      string(REGEX REPLACE "([/,])Deprecated=\"[^\"]*\"([/,])" "\\1Deprecated\\2" _content "${_content}")
+      file(GENERATE OUTPUT ${_out_sip_file} CONTENT "${_content}")
+    endif()
+
   ENDFOREACH (_sip_file)
 
   SET(_message "-DMESSAGE=Generating CPP code for module ${MODULE_NAME}")
diff --git a/scripts/sipify.py b/scripts/sipify.py
index 740d4718168..5175a095e5b 100755
--- a/scripts/sipify.py
+++ b/scripts/sipify.py
@@ -42,7 +42,6 @@ class MultiLineType(Enum):
 parser = argparse.ArgumentParser(description="Convert header file to SIP and Python")
 parser.add_argument("-debug", action="store_true", help="Enable debug mode")
 parser.add_argument("-qt6", action="store_true", help="Enable Qt6 mode")
-parser.add_argument("-generate_deprecated_message", action="store_true", help="Generate sip files with deprecated messages (supported only in SIP > 6.9.0)")
 parser.add_argument("-sip_output", help="SIP output file")
 parser.add_argument("-python_output", help="Python output file")
 parser.add_argument("-class_map", help="Class map file")
@@ -80,7 +79,6 @@ class Context:
         self.debug: bool = False
         self.is_qt6: bool = False
         self.header_file: str = ""
-        self.generate_deprecated_message = False
         self.current_line: str = ""
         self.sip_run: bool = False
         self.header_code: bool = False
@@ -147,7 +145,6 @@ class Context:
 CONTEXT = Context()
 CONTEXT.debug = args.debug
 CONTEXT.is_qt6 = args.qt6
-CONTEXT.generate_deprecated_message = args.generate_deprecated_message
 CONTEXT.header_file = args.headerfile
 CONTEXT.input_lines = input_lines
 CONTEXT.line_count = len(input_lines)
@@ -891,7 +888,9 @@ def process_doxygen_line(line: str) -> str:
             version = version[:-1]
         depr_line = f"\n.. deprecated:: {version}"
         message = deprecated_match.group("DEPR_MESSAGE")
-        CONTEXT.deprecated_message = f"Since {version}. {process_deprecated_message(message)}"
+        CONTEXT.deprecated_message = (
+            f"Since {version}. {process_deprecated_message(message)}"
+        )
         if message:
             depr_line += "\n"
             depr_line += "\n".join(f"\n   {_m}" for _m in message.split("\n"))
@@ -1169,11 +1168,6 @@ def fix_annotations(line):
         CONTEXT.skipped_params_out.append(param)
         dbg_info(f"caught removed param: {CONTEXT.skipped_params_out[-1]}")
 
-    if "SIP_DEPRECATED" in line:
-
-        if CONTEXT.deprecated_message is None:
-            exit_with_error(f"Error in file {CONTEXT.header_file}: missing deprecated message for SIP_DEPRECATED instruction on line {CONTEXT.line_idx}. Please add \\deprecated instruction")
-
     # Printed annotations
     replacements = {
         r"//\s*SIP_ABSTRACT\b": "/Abstract/",
@@ -1206,11 +1200,7 @@ def fix_annotations(line):
         # these have no effect (and aren't required) on sip >= 6
         replacements[r"SIP_THROW\(\s*([\w\s,]+?)\s*\)"] = ""
 
-    if CONTEXT.generate_deprecated_message:
-        # check deprecated message is not empty
-        replacements[r"\bSIP_DEPRECATED\b"] = f'/Deprecated="{CONTEXT.deprecated_message}"/'
-    else:
-        replacements[r"\bSIP_DEPRECATED\b"] = f"/Deprecated/"
+    replacements[r"\bSIP_DEPRECATED\b"] = f'/Deprecated="{CONTEXT.deprecated_message}"/'
 
     for _pattern, replacement in replacements.items():
         line = re.sub(_pattern, replacement, line)
@@ -1218,9 +1208,8 @@ def fix_annotations(line):
     # Combine multiple annotations
     while True:
         new_line = re.sub(
-            r'/([\w,]+(="?[^"]+"?)?)/\s*/([\w,]+(="?[^"]+"?)?]?)/',
-            r"/\1,\3/",
-            line)
+            r'/([\w,]+(="?[^"]+"?)?)/\s*/([\w,]+(="?[^"]+"?)?]?)/', r"/\1,\3/", line
+        )
         if new_line == line:
             break
         line = new_line
diff --git a/scripts/sipify_all.sh b/scripts/sipify_all.sh
index 8c830089e02..738a877ce59 100755
--- a/scripts/sipify_all.sh
+++ b/scripts/sipify_all.sh
@@ -16,15 +16,11 @@
 set -e
 
 CLASS_MAP=0
-DEPRECATED_MESSAGE=0
-while getopts "md" opt; do
+while getopts "m" opt; do
   case $opt in
   m)
     CLASS_MAP=1
     ;;
-  d)
-    DEPRECATED_MESSAGE=1
-    ;;
   \?)
     echo "Invalid option: -$OPTARG" >&2
     exit 1
@@ -54,11 +50,6 @@ fi
 pids=()
 iPid=0
 
-GENERATE_DEPRECATED_MESSAGE=""
-if [[ ${DEPRECATED_MESSAGE} -eq 1 ]]; then
-  GENERATE_DEPRECATED_MESSAGE="-generate_deprecated_message"
-fi
-
 for root_dir in python python/PyQt6; do
 
   if [[ $root_dir == "python/PyQt6" ]]; then
@@ -95,7 +86,7 @@ It is not aimed to be manually edited
         if [[ ${CLASS_MAP} -eq 1 ]]; then
           CLASS_MAP_CALL="-c ${module_dir}/class_map.yaml"
         fi
-        ./scripts/sipify.py $IS_QT6 $GENERATE_DEPRECATED_MESSAGE -s ${root_dir}/${sipfile}.in -p ${module_dir}/auto_additions/${pyfile} ${CLASS_MAP_CALL} ${header} &
+        ./scripts/sipify.py $IS_QT6 -s ${root_dir}/${sipfile}.in -p ${module_dir}/auto_additions/${pyfile} ${CLASS_MAP_CALL} ${header} &
         pids[iPid]=$!
         iPid=$((iPid+1))