diff --git a/src/lib/core/TLVUtilities.cpp b/src/lib/core/TLVUtilities.cpp
index f0ecf46655202e..a0fcae8d78111b 100644
--- a/src/lib/core/TLVUtilities.cpp
+++ b/src/lib/core/TLVUtilities.cpp
@@ -110,35 +110,6 @@ static CHIP_ERROR Iterate(TLVReader & aReader, size_t aDepth, IterateHandler aHa
     return retval;
 }
 
-/**
- *  (Mutably) Iterate through the TLV data referenced by @a aReader and invoke mutable @a aHandler
- *  for each visited TLV element in the context of @a aContext.
- *  The iteration is aborted if @a aHandler returns anything other than #CHIP_NO_ERROR
- *
- *  @param[in]     aReader      A reference to the TLV reader containing the TLV
- *                              data to iterate.
- *  @param[in]     aHandler     A mutable callback to invoke for the current TLV element
- *                              being visited.
- *  @param[in,out] aContext     An optional pointer to caller-provided context data.
- *
- *  @retval  #CHIP_END_OF_TLV  On a successful iteration to the end of a TLV encoding,
- *                              or to the end of a TLV container.
- *
- *  @retval  #CHIP_ERROR_INVALID_ARGUMENT  If @a aHandler is NULL.
- *
- *  @retval  The last value returned by @a aHandler, if different than #CHIP_NO_ERROR
- *
- */
-CHIP_ERROR Iterate(TLVReader & aReader, IterateHandlerMutable aHandler, void * aContext)
-{
-    const bool recurse = true;
-    CHIP_ERROR retval;
-
-    retval = Iterate(aReader, (IterateHandler) aHandler, aContext, recurse);
-
-    return retval;
-}
-
 /**
  *  Iterate through the TLV data referenced by @a aReader and invoke @a aHandler
  *  for each visited TLV element in the context of @a aContext.
diff --git a/src/lib/core/TLVUtilities.h b/src/lib/core/TLVUtilities.h
index d0a82c96825a2b..9c4c406542d093 100644
--- a/src/lib/core/TLVUtilities.h
+++ b/src/lib/core/TLVUtilities.h
@@ -39,9 +39,6 @@ namespace TLV {
 namespace Utilities {
 
 typedef CHIP_ERROR (*IterateHandler)(const TLVReader & aReader, size_t aDepth, void * aContext);
-typedef CHIP_ERROR (*IterateHandlerMutable)(TLVReader & aReader, size_t aDepth, void * aContext);
-
-extern CHIP_ERROR Iterate(TLVReader & aReader, IterateHandlerMutable aHandler, void * aContext);
 
 extern CHIP_ERROR Iterate(const TLVReader & aReader, IterateHandler aHandler, void * aContext);
 extern CHIP_ERROR Iterate(const TLVReader & aReader, IterateHandler aHandler, void * aContext, bool aRecurse);
@@ -54,7 +51,6 @@ extern CHIP_ERROR Find(const TLVReader & aReader, const Tag & aTag, TLVReader &
 
 extern CHIP_ERROR Find(const TLVReader & aReader, IterateHandler aHandler, void * aContext, TLVReader & aResult);
 extern CHIP_ERROR Find(const TLVReader & aReader, IterateHandler aHandler, void * aContext, TLVReader & aResult, bool aRecurse);
-
 } // namespace Utilities
 
 } // namespace TLV
diff --git a/src/lib/core/tests/FuzzTlvReader.cpp b/src/lib/core/tests/FuzzTlvReader.cpp
index 67a3e558f0734d..2e036d2485c742 100644
--- a/src/lib/core/tests/FuzzTlvReader.cpp
+++ b/src/lib/core/tests/FuzzTlvReader.cpp
@@ -9,81 +9,11 @@ using namespace chip::TLV;
 
 using chip::TLV::TLVReader;
 
-static CHIP_ERROR FuzzIterator(TLVReader & aReader, size_t aDepth, void * aContext)
+static CHIP_ERROR FuzzIterator(const TLVReader & aReader, size_t aDepth, void * aContext)
 {
-    {
-        aReader.GetLength();
-    }
-    {
-        aReader.GetTag();
-    }
-    {
-        aReader.GetType();
-    }
-    {
-        size_t size;
-        aReader.CountRemainingInContainer(&size);
-    }
-    {
-        bool v;
-        aReader.Get(v);
-    }
-    {
-        int8_t v;
-        aReader.Get(v);
-    }
-    {
-        int16_t v;
-        aReader.Get(v);
-    }
-    {
-        int32_t v;
-        aReader.Get(v);
-    }
-    {
-        int64_t v;
-        aReader.Get(v);
-    }
-    {
-        uint8_t v;
-        aReader.Get(v);
-    }
-    {
-        uint16_t v;
-        aReader.Get(v);
-    }
-    {
-        uint32_t v;
-        aReader.Get(v);
-    }
-    {
-        uint64_t v;
-        aReader.Get(v);
-    }
-    {
-        double v;
-        aReader.Get(v);
-    }
-    {
-        float v;
-        aReader.Get(v);
-    }
-    {
-        chip::ByteSpan readerSpan;
-        aReader.Get(readerSpan);
-    }
-    {
-        chip::CharSpan readerSpan;
-        aReader.Get(readerSpan);
-    }
-    {
-        uint8_t bBuf[16];
-        aReader.GetBytes(bBuf, sizeof(bBuf));
-    }
-    {
-        char sBuf[16];
-        aReader.GetString(sBuf, sizeof(sBuf));
-    }
+    aReader.GetLength();
+    aReader.GetTag();
+    aReader.GetType();
 
     return CHIP_NO_ERROR;
 }