diff --git a/dom/base/nsGlobalWindowCommands.cpp b/dom/base/nsGlobalWindowCommands.cpp
index d313bb428b01..68de88c8a72e 100644
--- a/dom/base/nsGlobalWindowCommands.cpp
+++ b/dom/base/nsGlobalWindowCommands.cpp
@@ -80,11 +80,6 @@ constexpr const char* sEndLineString = "cmd_endLine";
 constexpr const char* sSelectBeginLineString = "cmd_selectBeginLine";
 constexpr const char* sSelectEndLineString = "cmd_selectEndLine";
 
-constexpr const char* sBeginParagraphString = "cmd_beginParagraph";
-constexpr const char* sEndParagraphString = "cmd_endParagraph";
-constexpr const char* sSelectBeginParagraphString = "cmd_selectBeginParagraph";
-constexpr const char* sSelectEndParagraphString = "cmd_selectEndParagraph";
-
 constexpr const char* sSelectLinePreviousString = "cmd_selectLinePrevious";
 constexpr const char* sSelectLineNextString = "cmd_selectLineNext";
 
@@ -308,11 +303,7 @@ static constexpr struct BrowseCommand {
     {Command::BeginLine, Command::EndLine,
      KeyboardScrollAction::eScrollComplete,
      &nsISelectionController::CompleteScroll,
-     &nsISelectionController::IntraLineMove},
-    {Command::BeginParagraph, Command::EndParagraph,
-     KeyboardScrollAction::eScrollComplete,
-     &nsISelectionController::CompleteScroll,
-     &nsISelectionController::IntraParagraphMove}};
+     &nsISelectionController::IntraLineMove}};
 
 nsresult nsSelectMoveScrollCommand::DoCommand(const char* aCommandName,
                                               nsISupports* aCommandContext) {
@@ -429,21 +420,18 @@ nsresult nsPhysicalSelectMoveScrollCommand::DoCommand(
 static const struct SelectCommand {
   Command reverse, forward;
   nsresult (NS_STDCALL nsISelectionController::*select)(bool, bool);
-} selectCommands[] = {
-    {Command::SelectCharPrevious, Command::SelectCharNext,
-     &nsISelectionController::CharacterMove},
-    {Command::SelectWordPrevious, Command::SelectWordNext,
-     &nsISelectionController::WordMove},
-    {Command::SelectBeginLine, Command::SelectEndLine,
-     &nsISelectionController::IntraLineMove},
-    {Command::SelectBeginParagraph, Command::SelectEndParagraph,
-     &nsISelectionController::IntraParagraphMove},
-    {Command::SelectLinePrevious, Command::SelectLineNext,
-     &nsISelectionController::LineMove},
-    {Command::SelectPageUp, Command::SelectPageDown,
-     &nsISelectionController::PageMove},
-    {Command::SelectTop, Command::SelectBottom,
-     &nsISelectionController::CompleteMove}};
+} selectCommands[] = {{Command::SelectCharPrevious, Command::SelectCharNext,
+                       &nsISelectionController::CharacterMove},
+                      {Command::SelectWordPrevious, Command::SelectWordNext,
+                       &nsISelectionController::WordMove},
+                      {Command::SelectBeginLine, Command::SelectEndLine,
+                       &nsISelectionController::IntraLineMove},
+                      {Command::SelectLinePrevious, Command::SelectLineNext,
+                       &nsISelectionController::LineMove},
+                      {Command::SelectPageUp, Command::SelectPageDown,
+                       &nsISelectionController::PageMove},
+                      {Command::SelectTop, Command::SelectBottom,
+                       &nsISelectionController::CompleteMove}};
 
 nsresult nsSelectCommand::DoCommand(const char* aCommandName,
                                     nsISupports* aCommandContext) {
@@ -1114,8 +1102,6 @@ nsresult nsWindowCommandRegistration::RegisterWindowCommands(
   NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sWordNextString);
   NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sBeginLineString);
   NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sEndLineString);
-  NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sBeginParagraphString);
-  NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sEndParagraphString);
   NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sMovePageUpString);
   NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sMovePageDownString);
   NS_REGISTER_NEXT_COMMAND(nsSelectMoveScrollCommand, sLinePreviousString);
@@ -1139,8 +1125,6 @@ nsresult nsWindowCommandRegistration::RegisterWindowCommands(
   NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectWordNextString);
   NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectBeginLineString);
   NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectEndLineString);
-  NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectBeginParagraphString);
-  NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectEndParagraphString);
   NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectLinePreviousString);
   NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectLineNextString);
   NS_REGISTER_NEXT_COMMAND(nsSelectCommand, sSelectPageUpString);
diff --git a/dom/base/nsISelectionController.idl b/dom/base/nsISelectionController.idl
index c715533d092d..4952c0fb7dbc 100644
--- a/dom/base/nsISelectionController.idl
+++ b/dom/base/nsISelectionController.idl
@@ -253,16 +253,6 @@ interface nsISelectionController : nsISelectionDisplay
    */
   void intraLineMove(in boolean forward, in boolean extend);
 
-  /** IntraParagraphMove will move the selection to the front of the paragraph or end of the paragraph
-   *  in the document.
-   *  this will also have the effect of collapsing the selection if the aExtend = false
-   *  the "point" of selection that is extended is considered the "focus" point.
-   *  or the last point adjusted by the selection.
-   *  @param aForward forward or backward if false
-   *  @param aExtend  should it collapse the selection of extend it?
-   */
-  void intraParagraphMove(in boolean forward, in boolean extend);
-
   /** PageMove will move the selection one page forward/backward in the document.
    *  this will also have the effect of collapsing the selection if the aExtend = false
    *  the "point" of selection that is extended is considered the "focus" point.
diff --git a/dom/html/TextControlState.cpp b/dom/html/TextControlState.cpp
index 6794b3475d89..3dbdb168a5b4 100644
--- a/dom/html/TextControlState.cpp
+++ b/dom/html/TextControlState.cpp
@@ -372,7 +372,6 @@ class TextInputSelectionController final : public nsSupportsWeakReference,
   MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD LineMove(bool aForward,
                                                   bool aExtend) override;
   NS_IMETHOD IntraLineMove(bool aForward, bool aExtend) override;
-  NS_IMETHOD IntraParagraphMove(bool aForward, bool aExtend) override;
   MOZ_CAN_RUN_SCRIPT
   NS_IMETHOD PageMove(bool aForward, bool aExtend) override;
   NS_IMETHOD CompleteScroll(bool aForward) override;
@@ -653,15 +652,6 @@ TextInputSelectionController::IntraLineMove(bool aForward, bool aExtend) {
   return frameSelection->IntraLineMove(aForward, aExtend);
 }
 
-NS_IMETHODIMP
-TextInputSelectionController::IntraParagraphMove(bool aForward, bool aExtend) {
-  if (!mFrameSelection) {
-    return NS_ERROR_NULL_POINTER;
-  }
-  RefPtr<nsFrameSelection> frameSelection = mFrameSelection;
-  return frameSelection->IntraParagraphMove(aForward, aExtend);
-}
-
 NS_IMETHODIMP
 TextInputSelectionController::PageMove(bool aForward, bool aExtend) {
   // expected behavior for PageMove is to scroll AND move the caret
diff --git a/editor/libeditor/EditorCommands.cpp b/editor/libeditor/EditorCommands.cpp
index 0444cefededf..7cdb1aeaa053 100644
--- a/editor/libeditor/EditorCommands.cpp
+++ b/editor/libeditor/EditorCommands.cpp
@@ -711,9 +711,6 @@ static const struct MoveCommand {
      Command::SelectWordNext, &nsISelectionController::WordMove},
     {Command::BeginLine, Command::EndLine, Command::SelectBeginLine,
      Command::SelectEndLine, &nsISelectionController::IntraLineMove},
-    {Command::BeginParagraph, Command::EndParagraph,
-     Command::SelectBeginParagraph, Command::SelectEndParagraph,
-     &nsISelectionController::IntraParagraphMove},
     {Command::MovePageUp, Command::MovePageDown, Command::SelectPageUp,
      Command::SelectPageDown, &nsISelectionController::PageMove},
     {Command::MoveTop, Command::MoveBottom, Command::SelectTop,
diff --git a/editor/libeditor/EditorCommands.h b/editor/libeditor/EditorCommands.h
index 0457720c887b..031f9057e6de 100644
--- a/editor/libeditor/EditorCommands.h
+++ b/editor/libeditor/EditorCommands.h
@@ -144,10 +144,6 @@ class EditorCommand : public nsIControllerCommand {
       case Command::EndLine:
       case Command::SelectBeginLine:
       case Command::SelectEndLine:
-      case Command::BeginParagraph:
-      case Command::EndParagraph:
-      case Command::SelectBeginParagraph:
-      case Command::SelectEndParagraph:
       case Command::WordPrevious:
       case Command::WordNext:
       case Command::SelectWordPrevious:
diff --git a/editor/libeditor/EditorController.cpp b/editor/libeditor/EditorController.cpp
index 0282d05378c6..9bb440a61505 100644
--- a/editor/libeditor/EditorController.cpp
+++ b/editor/libeditor/EditorController.cpp
@@ -82,10 +82,6 @@ nsresult EditorController::RegisterEditorCommands(
   NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_endLine");
   NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_selectBeginLine");
   NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_selectEndLine");
-  NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_beginParagraph");
-  NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_endParagraph");
-  NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_selectBeginParagraph");
-  NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_selectEndParagraph");
   NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_wordPrevious");
   NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_wordNext");
   NS_REGISTER_COMMAND(SelectionMoveCommands, "cmd_selectWordPrevious");
diff --git a/layout/base/PresShell.cpp b/layout/base/PresShell.cpp
index 33aadfa2c594..d8778eae74b5 100644
--- a/layout/base/PresShell.cpp
+++ b/layout/base/PresShell.cpp
@@ -2360,12 +2360,6 @@ PresShell::IntraLineMove(bool aForward, bool aExtend) {
   return frameSelection->IntraLineMove(aForward, aExtend);
 }
 
-NS_IMETHODIMP
-PresShell::IntraParagraphMove(bool aForward, bool aExtend) {
-  RefPtr<nsFrameSelection> frameSelection = mSelection;
-  return frameSelection->IntraParagraphMove(aForward, aExtend);
-}
-
 NS_IMETHODIMP
 PresShell::PageMove(bool aForward, bool aExtend) {
   nsIFrame* frame = nullptr;
diff --git a/layout/base/PresShell.h b/layout/base/PresShell.h
index 16cecee65708..d2c52bb9db60 100644
--- a/layout/base/PresShell.h
+++ b/layout/base/PresShell.h
@@ -1365,7 +1365,6 @@ class PresShell final : public nsStubDocumentObserver,
   MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD LineMove(bool aForward,
                                                   bool aExtend) override;
   NS_IMETHOD IntraLineMove(bool aForward, bool aExtend) override;
-  NS_IMETHOD IntraParagraphMove(bool aForward, bool aExtend) override;
   MOZ_CAN_RUN_SCRIPT
   NS_IMETHOD PageMove(bool aForward, bool aExtend) override;
   NS_IMETHOD ScrollPage(bool aForward) override;
diff --git a/layout/generic/SelectionMovementUtils.h b/layout/generic/SelectionMovementUtils.h
index 3991e6a34671..fd5afaf07975 100644
--- a/layout/generic/SelectionMovementUtils.h
+++ b/layout/generic/SelectionMovementUtils.h
@@ -140,8 +140,6 @@ class SelectionMovementUtils final {
       case eSelectWordNoSpace:
       case eSelectBeginLine:
       case eSelectEndLine:
-      case eSelectBeginParagraph:
-      case eSelectEndParagraph:
         return true;
       case eSelectLine:
         return false;
diff --git a/layout/generic/nsFrameSelection.cpp b/layout/generic/nsFrameSelection.cpp
index 72e1bed1ceb0..0e46e341f54f 100644
--- a/layout/generic/nsFrameSelection.cpp
+++ b/layout/generic/nsFrameSelection.cpp
@@ -2011,16 +2011,6 @@ nsresult nsFrameSelection::IntraLineMove(bool aForward, bool aExtend) {
                    eLogical);
 }
 
-nsresult nsFrameSelection::IntraParagraphMove(bool aForward, bool aExtend) {
-  if (aForward) {
-    return MoveCaret(eDirNext, ExtendSelection(aExtend), eSelectEndParagraph,
-                     eLogical);
-  }
-
-  return MoveCaret(eDirPrevious, ExtendSelection(aExtend),
-                   eSelectBeginParagraph, eLogical);
-}
-
 template <typename RangeType>
 Result<RefPtr<RangeType>, nsresult>
 nsFrameSelection::CreateRangeExtendedToSomewhere(
@@ -2029,8 +2019,7 @@ nsFrameSelection::CreateRangeExtendedToSomewhere(
   MOZ_ASSERT(aDirection == eDirNext || aDirection == eDirPrevious);
   MOZ_ASSERT(aAmount == eSelectCharacter || aAmount == eSelectCluster ||
              aAmount == eSelectWord || aAmount == eSelectBeginLine ||
-             aAmount == eSelectEndLine || aAmount == eSelectBeginParagraph ||
-             aAmount == eSelectEndParagraph);
+             aAmount == eSelectEndLine);
   MOZ_ASSERT(aMovementStyle == eLogical || aMovementStyle == eVisual ||
              aMovementStyle == eUsePrefStyle);
 
diff --git a/layout/generic/nsFrameSelection.h b/layout/generic/nsFrameSelection.h
index c299b587c9c6..4d68108821c2 100644
--- a/layout/generic/nsFrameSelection.h
+++ b/layout/generic/nsFrameSelection.h
@@ -610,17 +610,6 @@ class nsFrameSelection final {
   MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult IntraLineMove(bool aForward,
                                                      bool aExtend);
 
-  /**
-   * IntraParagraphMove will generally be called from the nsISelectionController
-   * implementations. the effect being the selection will move to beginning or
-   * end of paragraph
-   * @param aForward move forward in document.
-   * @param aExtend continue selection
-   */
-  // TODO: replace with `MOZ_CAN_RUN_SCRIPT`.
-  MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult IntraParagraphMove(bool aForward,
-                                                          bool aExtend);
-
   /**
    * CreateRangeExtendedToNextGraphemeClusterBoundary() returns range which is
    * extended from normal selection range to start of next grapheme cluster
diff --git a/layout/generic/nsIFrame.cpp b/layout/generic/nsIFrame.cpp
index 273125426438..23e5c4bcc45e 100644
--- a/layout/generic/nsIFrame.cpp
+++ b/layout/generic/nsIFrame.cpp
@@ -9124,10 +9124,6 @@ nsresult nsIFrame::PeekOffsetForParagraph(PeekOffsetStruct* aPos) {
       aPos->mContentOffset = aPos->mResultContent->GetChildCount();
     }
   }
-
-  aPos->mAttach = aPos->mDirection == eDirNext ? CaretAssociationHint::Before
-                                               : CaretAssociationHint::After;
-
   return NS_OK;
 }
 
@@ -9500,8 +9496,7 @@ nsresult nsIFrame::PeekOffsetForLineEdge(PeekOffsetStruct* aPos) {
   }
 
   nsIFrame* baseFrame = nullptr;
-  bool endOfLine = (eSelectEndLine == aPos->mAmount) ||
-                   (eSelectEndParagraph == aPos->mAmount);
+  bool endOfLine = eSelectEndLine == aPos->mAmount;
 
   if (aPos->mOptions.contains(PeekOffsetOption::Visual) &&
       PresContext()->BidiEnabled()) {
@@ -9599,13 +9594,6 @@ nsresult nsIFrame::PeekOffset(PeekOffsetStruct* aPos) {
     case eSelectBeginLine:
     case eSelectEndLine:
       return PeekOffsetForLineEdge(aPos);
-    case eSelectBeginParagraph:
-    case eSelectEndParagraph:
-      if (StaticPrefs::dom_input_caret_paragraph_movement()) {
-        return PeekOffsetForParagraph(aPos);
-      } else {
-        return PeekOffsetForLineEdge(aPos);
-      }
     case eSelectParagraph:
       return PeekOffsetForParagraph(aPos);
     default: {
diff --git a/layout/generic/nsIFrame.h b/layout/generic/nsIFrame.h
index 516c9425d689..e71ac9d94d2d 100644
--- a/layout/generic/nsIFrame.h
+++ b/layout/generic/nsIFrame.h
@@ -197,10 +197,8 @@ enum nsSelectionAmount {
 
   eSelectBeginLine = 5,
   eSelectEndLine = 6,
-  eSelectNoAmount = 7,   // just bounce back current offset.
-  eSelectParagraph = 8,  // select a "paragraph"
-  eSelectBeginParagraph = 9,
-  eSelectEndParagraph = 10
+  eSelectNoAmount = 7,  // just bounce back current offset.
+  eSelectParagraph = 8  // select a "paragraph"
 };
 
 //----------------------------------------------------------------------
@@ -4045,7 +4043,6 @@ class nsIFrame : public nsQueryFrame {
   nsresult PeekOffsetForWord(mozilla::PeekOffsetStruct* aPos, int32_t aOffset);
   nsresult PeekOffsetForLine(mozilla::PeekOffsetStruct* aPos);
   nsresult PeekOffsetForLineEdge(mozilla::PeekOffsetStruct* aPos);
-  nsresult PeekOffsetForParagraphEdge(mozilla::PeekOffsetStruct* aPos);
 
   /**
    * Search for the first paragraph boundary before or after the given position
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
index 6b42d6666422..742efcff3f80 100644
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -3003,12 +3003,6 @@
   value: true
   mirror: always
 
-# Text input caret movement style. Disable this to restore previous behaviour (line edges instead of paragraphs). Currently only effective on macOS.
-- name: dom.input.caret_paragraph_movement
-  type: bool
-  value: true
-  mirror: always
-
 # How often to check for CPOW timeouts (ms). CPOWs are only timed
 # out by the hang monitor.
 - name: dom.ipc.cpow.timeout
diff --git a/testing/web-platform/mozilla/tests/editor/selection-move-commands-wrapped.html b/testing/web-platform/mozilla/tests/editor/selection-move-commands-wrapped.html
deleted file mode 100644
index 438cf8d1a61c..000000000000
--- a/testing/web-platform/mozilla/tests/editor/selection-move-commands-wrapped.html
+++ /dev/null
@@ -1,116 +0,0 @@
-<!DOCTYPE html>
-<title>Test for nsSelectionMoveCommands on wrapped text</title>
-<script src=/resources/testharness.js></script>
-<script src=/resources/testharnessreport.js></script>
-
-<iframe id="edit" width="200" height="100" srcdoc="
-<link rel='stylesheet' href='/fonts/ahem.css'>
-<style>
-  html, body {
-    font-family: Ahem;
-    fontSize: '16px';
-    lineHeight: '16px';
-    height: '400px';
-  }
-</style>
-<body contenteditable>
-Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod
-tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
-<br>
-Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie
-consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan
-et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis
-dolore te feugait nulla facilisi.
-<p>
-  Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit
-  lobortis nisl ut aliquip ex ea commodo consequat.
-</p>
-<div>
-  <span>Nam</span> liber tempor cum soluta nobis eleifend option
-  <span>congue</span> nihil imperdiet doming id quod mazim placerat facer
-  <a>possim</a> assum.<span></span>
-</div>
-</body>
-"></iframe>
-
-<script>
-
-let selection;
-let body;
-
-promise_setup(async () => {
-  if (edit.contentDocument.readyState !== "complete") {
-    await new Promise(resolve => edit.onload = resolve);
-  }
-  edit.focus();
-
-  selection = edit.contentDocument.getSelection();
-  body = edit.contentDocument.body;
-});
-
-promise_test(async () => {
-  selection.setPosition(body);
-
-  // Gecko stops at "the paragraph stopper" (either a block element or <br>)
-  // rather than within the text node.
-  // See: https://searchfox.org/mozilla-central/rev/113b09cdd5282b39db65b2f62abe843558b9471a/layout/generic/nsIFrame.cpp#9019
-
-  SpecialPowers.doCommand(window, "cmd_beginParagraph");
-  assert_equals(selection.anchorNode, body);
-  assert_equals(selection.anchorOffset, 0);
-
-  SpecialPowers.doCommand(window, "cmd_endParagraph");
-  assert_equals(selection.anchorNode, body);
-  assert_equals(selection.anchorOffset, 1);
-}, "Moving across a single text node");
-
-promise_test(async () => {
-  const textNode = body.childNodes[2];
-  selection.setPosition(textNode, 2);
-
-  SpecialPowers.doCommand(window, "cmd_beginParagraph");
-  assert_equals(selection.anchorNode, body);
-  assert_equals(selection.anchorOffset, 2);
-
-  SpecialPowers.doCommand(window, "cmd_endParagraph");
-  assert_equals(selection.anchorNode, body);
-  assert_equals(selection.anchorOffset, 3);
-}, "Moving from a single text node");
-
-promise_test(async () => {
-  const paragraphEl = body.children[1];
-  const textNode = paragraphEl.childNodes[0];
-  selection.setPosition(textNode, 2);
-
-  SpecialPowers.doCommand(window, "cmd_selectBeginParagraph");
-  assert_equals(selection.anchorNode, textNode);
-  assert_equals(selection.anchorOffset, 2);
-  assert_equals(selection.focusNode, paragraphEl);
-  assert_equals(selection.focusOffset, 0);
-
-  SpecialPowers.doCommand(window, "cmd_selectEndParagraph");
-  assert_equals(selection.anchorNode, textNode);
-  assert_equals(selection.anchorOffset, 2);
-  assert_equals(selection.focusNode, paragraphEl);
-  assert_equals(selection.focusOffset, paragraphEl.childNodes.length);
-}, "Selecting from a single text node");
-
-promise_test(async () => {
-  const divEl = body.children[2];
-  const textNode = divEl.childNodes[2];
-  selection.setPosition(textNode, 2);
-  console.log(textNode, selection.anchorNode);
-
-  SpecialPowers.doCommand(window, "cmd_selectBeginParagraph");
-  assert_equals(selection.anchorNode, textNode);
-  assert_equals(selection.anchorOffset, 2);
-  assert_equals(selection.focusNode, divEl);
-  assert_equals(selection.focusOffset, 0);
-
-  SpecialPowers.doCommand(window, "cmd_selectEndParagraph");
-  assert_equals(selection.anchorNode, textNode);
-  assert_equals(selection.anchorOffset, 2);
-  assert_equals(selection.focusNode, divEl);
-  assert_equals(selection.focusOffset, divEl.childNodes.length);
-}, "Selecting across multiple elements");
-</script>
diff --git a/widget/CommandList.h b/widget/CommandList.h
index 68fcafbc4b39..243656bb013f 100644
--- a/widget/CommandList.h
+++ b/widget/CommandList.h
@@ -25,7 +25,6 @@
 
 // Mapped from commands of some platforms
 NS_DEFINE_COMMAND(BeginLine, cmd_beginLine)
-NS_DEFINE_COMMAND(BeginParagraph, cmd_beginParagraph)
 NS_DEFINE_COMMAND(CharNext, cmd_charNext)
 NS_DEFINE_COMMAND(CharPrevious, cmd_charPrevious)
 NS_DEFINE_COMMAND(Copy, cmd_copy)
@@ -38,7 +37,6 @@ NS_DEFINE_COMMAND(DeleteToEndOfLine, cmd_deleteToEndOfLine)
 NS_DEFINE_COMMAND(DeleteWordBackward, cmd_deleteWordBackward)
 NS_DEFINE_COMMAND(DeleteWordForward, cmd_deleteWordForward)
 NS_DEFINE_COMMAND(EndLine, cmd_endLine)
-NS_DEFINE_COMMAND(EndParagraph, cmd_endParagraph)
 NS_DEFINE_COMMAND(InsertParagraph, cmd_insertParagraph)
 NS_DEFINE_COMMAND(InsertLineBreak, cmd_insertLineBreak)
 NS_DEFINE_COMMAND(LineNext, cmd_lineNext)
@@ -58,12 +56,10 @@ NS_DEFINE_COMMAND(ScrollRight, cmd_scrollRight)
 NS_DEFINE_COMMAND(ScrollTop, cmd_scrollTop)
 NS_DEFINE_COMMAND(SelectAll, cmd_selectAll)
 NS_DEFINE_COMMAND(SelectBeginLine, cmd_selectBeginLine)
-NS_DEFINE_COMMAND(SelectBeginParagraph, cmd_selectBeginParagraph)
 NS_DEFINE_COMMAND(SelectBottom, cmd_selectBottom)
 NS_DEFINE_COMMAND(SelectCharNext, cmd_selectCharNext)
 NS_DEFINE_COMMAND(SelectCharPrevious, cmd_selectCharPrevious)
 NS_DEFINE_COMMAND(SelectEndLine, cmd_selectEndLine)
-NS_DEFINE_COMMAND(SelectEndParagraph, cmd_selectEndParagraph)
 NS_DEFINE_COMMAND(SelectLineNext, cmd_selectLineNext)
 NS_DEFINE_COMMAND(SelectLinePrevious, cmd_selectLinePrevious)
 NS_DEFINE_COMMAND(SelectPageDown, cmd_selectPageDown)
diff --git a/widget/cocoa/NativeKeyBindings.mm b/widget/cocoa/NativeKeyBindings.mm
index e977928dad71..e4bdf715e2fb 100644
--- a/widget/cocoa/NativeKeyBindings.mm
+++ b/widget/cocoa/NativeKeyBindings.mm
@@ -125,9 +125,9 @@ void NativeKeyBindings::Init(NativeKeyBindingsType aType) {
   SEL_TO_COMMAND(moveLeft:, Command::CharPrevious);
   SEL_TO_COMMAND(moveLeftAndModifySelection:, Command::SelectCharPrevious);
   SEL_TO_COMMAND(moveParagraphBackwardAndModifySelection:,
-                 Command::SelectBeginParagraph);
+                 Command::SelectBeginLine);
   SEL_TO_COMMAND(moveParagraphForwardAndModifySelection:,
-                 Command::SelectEndParagraph);
+                 Command::SelectEndLine);
   SEL_TO_COMMAND(moveRight:, Command::CharNext);
   SEL_TO_COMMAND(moveRightAndModifySelection:, Command::SelectCharNext);
   SEL_TO_COMMAND(moveToBeginningOfDocument:, Command::MoveTop);
@@ -136,16 +136,16 @@ void NativeKeyBindings::Init(NativeKeyBindingsType aType) {
   SEL_TO_COMMAND(moveToBeginningOfLine:, Command::BeginLine);
   SEL_TO_COMMAND(moveToBeginningOfLineAndModifySelection:,
                  Command::SelectBeginLine);
-  SEL_TO_COMMAND(moveToBeginningOfParagraph:, Command::BeginParagraph);
+  SEL_TO_COMMAND(moveToBeginningOfParagraph:, Command::BeginLine);
   SEL_TO_COMMAND(moveToBeginningOfParagraphAndModifySelection:,
-                 Command::SelectBeginParagraph);
+                 Command::SelectBeginLine);
   SEL_TO_COMMAND(moveToEndOfDocument:, Command::MoveBottom);
   SEL_TO_COMMAND(moveToEndOfDocumentAndModifySelection:, Command::SelectBottom);
   SEL_TO_COMMAND(moveToEndOfLine:, Command::EndLine);
   SEL_TO_COMMAND(moveToEndOfLineAndModifySelection:, Command::SelectEndLine);
-  SEL_TO_COMMAND(moveToEndOfParagraph:, Command::EndParagraph);
+  SEL_TO_COMMAND(moveToEndOfParagraph:, Command::EndLine);
   SEL_TO_COMMAND(moveToEndOfParagraphAndModifySelection:,
-                 Command::SelectEndParagraph);
+                 Command::SelectEndLine);
   SEL_TO_COMMAND(moveToLeftEndOfLine:, Command::BeginLine);
   SEL_TO_COMMAND(moveToLeftEndOfLineAndModifySelection:,
                  Command::SelectBeginLine);
diff --git a/widget/cocoa/TextInputHandler.mm b/widget/cocoa/TextInputHandler.mm
index 02a9a97ffb45..a7fba34f94c0 100644
--- a/widget/cocoa/TextInputHandler.mm
+++ b/widget/cocoa/TextInputHandler.mm
@@ -2848,9 +2848,7 @@ bool TextInputHandler::HandleCommand(Command aCommand) {
       case Command::WordNext:
       case Command::SelectWordNext:
       case Command::EndLine:
-      case Command::SelectEndLine:
-      case Command::EndParagraph:
-      case Command::SelectEndParagraph: {
+      case Command::SelectEndLine: {
         nsCocoaUtils::InitInputEvent(keypressEvent, keyEvent);
         keypressEvent.mKeyCode = NS_VK_RIGHT;
         keypressEvent.mKeyNameIndex = KEY_NAME_INDEX_ArrowRight;
@@ -2876,9 +2874,7 @@ bool TextInputHandler::HandleCommand(Command aCommand) {
       case Command::WordPrevious:
       case Command::SelectWordPrevious:
       case Command::BeginLine:
-      case Command::SelectBeginLine:
-      case Command::BeginParagraph:
-      case Command::SelectBeginParagraph: {
+      case Command::SelectBeginLine: {
         nsCocoaUtils::InitInputEvent(keypressEvent, keyEvent);
         keypressEvent.mKeyCode = NS_VK_LEFT;
         keypressEvent.mKeyNameIndex = KEY_NAME_INDEX_ArrowLeft;