diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index 62f49c8bad..a6b0b169af 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -7064,10 +7064,8 @@ class MRegExpMatcher
     TRIVIAL_NEW_WRAPPERS
     NAMED_OPERANDS((0, regexp), (1, string), (2, lastIndex))
 
-    MOZ_MUST_USE bool writeRecoverData(CompactBufferWriter& writer) const override;
-
     bool canRecoverOnBailout() const override {
-        return true;
+        return false;
     }
 
     bool possiblyCalls() const override {
@@ -7102,7 +7100,7 @@ class MRegExpSearcher
     MOZ_MUST_USE bool writeRecoverData(CompactBufferWriter& writer) const override;
 
     bool canRecoverOnBailout() const override {
-        return true;
+        return false;
     }
 
     bool possiblyCalls() const override {
diff --git a/js/src/jit/Recover.cpp b/js/src/jit/Recover.cpp
index 4d04c653be..6144462b4d 100644
--- a/js/src/jit/Recover.cpp
+++ b/js/src/jit/Recover.cpp
@@ -13,7 +13,6 @@
 #include "jsobj.h"
 #include "jsstr.h"
 
-#include "builtin/RegExp.h"
 #include "builtin/TypedObject.h"
 
 #include "gc/Heap.h"
@@ -1082,32 +1081,6 @@ RNaNToZero::recover(JSContext* cx, SnapshotIterator& iter) const
     return true;
 }
 
-bool
-MRegExpMatcher::writeRecoverData(CompactBufferWriter& writer) const
-{
-    MOZ_ASSERT(canRecoverOnBailout());
-    writer.writeUnsigned(uint32_t(RInstruction::Recover_RegExpMatcher));
-    return true;
-}
-
-RRegExpMatcher::RRegExpMatcher(CompactBufferReader& reader)
-{}
-
-bool
-RRegExpMatcher::recover(JSContext* cx, SnapshotIterator& iter) const
-{
-    RootedObject regexp(cx, &iter.read().toObject());
-    RootedString input(cx, iter.read().toString());
-    int32_t lastIndex = iter.read().toInt32();
-
-    RootedValue result(cx);
-    if (!RegExpMatcherRaw(cx, regexp, input, lastIndex, nullptr, &result))
-        return false;
-
-    iter.storeInstructionResult(result);
-    return true;
-}
-
 bool
 MRegExpSearcher::writeRecoverData(CompactBufferWriter& writer) const
 {
diff --git a/js/src/jit/Recover.h b/js/src/jit/Recover.h
index 1f58e6b06b..78776178b6 100644
--- a/js/src/jit/Recover.h
+++ b/js/src/jit/Recover.h
@@ -90,7 +90,6 @@ namespace jit {
     _(Random)                                   \
     _(StringSplit)                              \
     _(NaNToZero)                                \
-    _(RegExpMatcher)                            \
     _(RegExpSearcher)                           \
     _(RegExpTester)                             \
     _(StringReplace)                            \
@@ -486,14 +485,6 @@ class RNaNToZero final : public RInstruction
     bool recover(JSContext* cx, SnapshotIterator& iter) const;
 };
 
-class RRegExpMatcher final : public RInstruction
-{
-  public:
-    RINSTRUCTION_HEADER_NUM_OP_(RegExpMatcher, 3)
-
-    MOZ_MUST_USE bool recover(JSContext* cx, SnapshotIterator& iter) const;
-};
-
 class RRegExpSearcher final : public RInstruction
 {
   public: