diff --git a/nw/constants/constants.py b/nw/constants/constants.py
index e810dabf..3bfc9125 100644
--- a/nw/constants/constants.py
+++ b/nw/constants/constants.py
@@ -234,7 +234,6 @@ class nwUnicode:
     U_EMDASH = "\u2014" # Long dash
     U_HELLIP = "\u2026" # Ellipsis
     U_MAPOSS = "\u02bc" # Modifier letter single apostrophe
-    U_MAPOSD = "\u02ee" # Modifier letter double apostrophe
 
     ## Spaces and Lines
     U_NBSP   = "\u00a0" # Non-breaking space
@@ -286,7 +285,6 @@ class nwUnicode:
     H_EMDASH = "—"
     H_HELLIP = "…"
     H_MAPOSS = "ʼ"
-    H_MAPOSD = "ˮ"
 
     ## Spaces
     H_NBSP   = " "
diff --git a/nw/constants/enum.py b/nw/constants/enum.py
index 81200a63..d7c3bde2 100644
--- a/nw/constants/enum.py
+++ b/nw/constants/enum.py
@@ -113,7 +113,6 @@ class nwDocInsert(Enum):
     QUOTE_LD      = 10
     QUOTE_RD      = 11
     MODAPOS_S     = 12
-    MODAPOS_D     = 13
 
 # END Enum nwDocInsert
 
diff --git a/nw/core/tohtml.py b/nw/core/tohtml.py
index 6053082a..cb8cfa1a 100644
--- a/nw/core/tohtml.py
+++ b/nw/core/tohtml.py
@@ -55,7 +55,6 @@ class ToHtml(Tokenizer):
             nwUnicode.U_THNSP  : nwUnicode.H_THNSP,
             nwUnicode.U_THNBSP : nwUnicode.H_THNBSP,
             nwUnicode.U_MAPOSS : nwUnicode.H_RSQUO,
-            nwUnicode.U_MAPOSD : nwUnicode.H_RDQUO,
         }
         self.revDict = {}
         self.reReplace = []
diff --git a/nw/gui/doceditor.py b/nw/gui/doceditor.py
index dc25b909..ca860561 100644
--- a/nw/gui/doceditor.py
+++ b/nw/gui/doceditor.py
@@ -614,8 +614,6 @@ class GuiDocEditor(QTextEdit):
                 theText = nwUnicode.U_HELLIP
             elif theInsert == nwDocInsert.MODAPOS_S:
                 theText = nwUnicode.U_MAPOSS
-            elif theInsert == nwDocInsert.MODAPOS_D:
-                theText = nwUnicode.U_MAPOSD
             elif theInsert == nwDocInsert.QUOTE_LS:
                 theText = self.typSQOpen
             elif theInsert == nwDocInsert.QUOTE_RS:
diff --git a/nw/gui/mainmenu.py b/nw/gui/mainmenu.py
index 949a8c77..b904ffd9 100644
--- a/nw/gui/mainmenu.py
+++ b/nw/gui/mainmenu.py
@@ -554,20 +554,13 @@ class GuiMainMenu(QMenuBar):
         # Insert > Separator
         self.insertMenu.addSeparator()
 
-        # Insert > Alt. Single Apostrophe
-        self.aInsMSApos = QAction("Alt. Single Apostrophe", self)
+        # Insert > Alternative Apostrophe
+        self.aInsMSApos = QAction("Alternative Apostrophe", self)
         self.aInsMSApos.setStatusTip("Insert unicode modifier letter single apostrophe")
         self.aInsMSApos.setShortcut("Ctrl+K, '")
         self.aInsMSApos.triggered.connect(lambda: self._docInsert(nwDocInsert.MODAPOS_S))
         self.insertMenu.addAction(self.aInsMSApos)
 
-        # Insert > Alt. Double Apostrophe
-        self.aInsMDApos = QAction("Alt. Double Apostrophe", self)
-        self.aInsMDApos.setStatusTip("Insert unicode modifier letter double apostrophe")
-        self.aInsMDApos.setShortcut("Ctrl+K, \"")
-        self.aInsMDApos.triggered.connect(lambda: self._docInsert(nwDocInsert.MODAPOS_D))
-        self.insertMenu.addAction(self.aInsMDApos)
-
         # Insert > Separator
         self.insertMenu.addSeparator()
 
diff --git a/nw/guimain.py b/nw/guimain.py
index 48ea5c73..66bcc7cb 100644
--- a/nw/guimain.py
+++ b/nw/guimain.py
@@ -1040,7 +1040,6 @@ class GuiMain(QMainWindow):
         self.addAction(self.mainMenu.aInsQuoteLD)
         self.addAction(self.mainMenu.aInsQuoteRD)
         self.addAction(self.mainMenu.aInsMSApos)
-        self.addAction(self.mainMenu.aInsMDApos)
         self.addAction(self.mainMenu.aInsHardBreak)
         self.addAction(self.mainMenu.aInsNBSpace)
         self.addAction(self.mainMenu.aInsThinSpace)