diff --git a/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.MultiSegment.cs b/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.MultiSegment.cs
index 51f8c786e6ff..8c268864775e 100644
--- a/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.MultiSegment.cs
+++ b/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.MultiSegment.cs
@@ -647,21 +647,13 @@ private bool ConsumeNumberMultiSegment()
 
             if (_consumed >= (uint)_buffer.Length)
             {
-                if (!_isNotPrimitive)
-                {
-                    return true;
-                }
-                if (IsLastSpan || !GetNextSpan())
-                {
-                    ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.ExpectedEndOfDigitNotFound, _buffer[_consumed - 1]);
-                }
-            }
+                Debug.Assert(IsLastSpan);
 
-            // TODO: https://github.com/dotnet/corefx/issues/33294
-            if (JsonConstants.Delimiters.IndexOf(_buffer[_consumed]) < 0)
-            {
-                ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.ExpectedEndOfDigitNotFound, _buffer[_consumed]);
+                ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.ExpectedEndOfDigitNotFound, _buffer[_consumed - 1]);
             }
+
+            Debug.Assert(JsonConstants.Delimiters.IndexOf(_buffer[_consumed]) >= 0);
+
             return true;
         }
 
@@ -1306,7 +1298,7 @@ private ConsumeNumberResult ConsumeZeroMultiSegment(ref ReadOnlySpan<byte> data,
                 if (IsLastSpan)
                 {
                     // A payload containing a single value: "0" is valid
-                    // If we are v with multi-value JSON,
+                    // If we are dealing with multi-value JSON,
                     // ConsumeNumber will validate that we have a delimiter following the "0".
                     return ConsumeNumberResult.Success;
                 }
diff --git a/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.cs b/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.cs
index f307cb2ea2d0..b6e8f2fc5039 100644
--- a/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.cs
+++ b/src/System.Text.Json/src/System/Text/Json/Reader/Utf8JsonReader.cs
@@ -694,22 +694,13 @@ private bool ConsumeNumber()
 
             if (_consumed >= (uint)_buffer.Length)
             {
-                if (!_isNotPrimitive)
-                {
-                    return true;
-                }
-                if (IsLastSpan)
-                {
-                    ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.ExpectedEndOfDigitNotFound, _buffer[_consumed - 1]);
-                }
-                return false;
-            }
+                Debug.Assert(IsLastSpan);
 
-            // TODO: https://github.com/dotnet/corefx/issues/33294
-            if (JsonConstants.Delimiters.IndexOf(_buffer[_consumed]) < 0)
-            {
-                ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.ExpectedEndOfDigitNotFound, _buffer[_consumed]);
+                ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.ExpectedEndOfDigitNotFound, _buffer[_consumed - 1]);
             }
+
+            Debug.Assert(JsonConstants.Delimiters.IndexOf(_buffer[_consumed]) >= 0);
+
             return true;
         }
 
@@ -1067,7 +1058,7 @@ private ConsumeNumberResult ConsumeZero(ref ReadOnlySpan<byte> data, ref int i)
                 if (IsLastSpan)
                 {
                     // A payload containing a single value: "0" is valid
-                    // If we are v with multi-value JSON,
+                    // If we are dealing with multi-value JSON,
                     // ConsumeNumber will validate that we have a delimiter following the "0".
                     return ConsumeNumberResult.Success;
                 }