diff --git a/QueryKit.UnitTests/FilterParsingRegressionTests.cs b/QueryKit.UnitTests/FilterParsingRegressionTests.cs
index 2116f59..eaacd16 100644
--- a/QueryKit.UnitTests/FilterParsingRegressionTests.cs
+++ b/QueryKit.UnitTests/FilterParsingRegressionTests.cs
@@ -28,21 +28,12 @@ public void decimal_value_uses_invariant_culture(string cultureName)
     [Theory]
     [InlineData("de-DE")]
     [InlineData("fr-FR")]
-    public void decimal_value_with_culture_decimal_comma_is_read_as_before(string cultureName)
-    {
-        var input = """Rating > 4,5""";
-
-        var filterExpression = WithCulture(cultureName, () => FilterParser.ParseFilter<TestingPerson>(input));
-
-        filterExpression.ToDisplayString().Should().Be("x => (x.Rating > 45)");
-    }
-
-    [Fact]
-    public void decimal_value_with_decimal_comma_is_not_accepted_in_a_culture_with_decimal_point()
+    [InlineData("en-US")]
+    public void decimal_value_with_decimal_comma_is_not_accepted(string cultureName)
     {
         var input = """Rating > 4,5""";
 
-        var act = () => WithCulture("en-US", () => FilterParser.ParseFilter<TestingPerson>(input));
+        var act = () => WithCulture(cultureName, () => FilterParser.ParseFilter<TestingPerson>(input));
 
         act.Should().Throw<QueryKitException>();
     }
diff --git a/QueryKit/FilterParser.cs b/QueryKit/FilterParser.cs
index 37bac4d..038cf69 100644
--- a/QueryKit/FilterParser.cs
+++ b/QueryKit/FilterParser.cs
@@ -206,24 +206,8 @@ from micros in DateTimeMicrosParser
         from timeZone in DateTimeZoneParser
         select dateFormat + timeFormat + micros + timeZone;
 
-    // A number with a '.' decimal point, or with the decimal separator of the current culture.
-    // The longer match wins, so '4.5' parses in every culture and '4,5' still parses in a culture that uses ','.
-    private static readonly Parser<string> UnsignedNumberParser = input =>
-    {
-        var invariant = Parse.DecimalInvariant(input);
-        var culture = Parse.Decimal(input);
-        return culture.WasSuccessful && (!invariant.WasSuccessful || culture.Remainder.Position > invariant.Remainder.Position)
-            ? culture
-            : invariant;
-    };
-
+    // A number always uses the '.' decimal point, so a filter has the same meaning in every culture.
     private static readonly Parser<string> NumberParser =
-        from sign in Parse.Char('-').Optional().Select(x => x.IsDefined ? "-" : "")
-        from number in UnsignedNumberParser
-        select sign + number;
-
-    // List items are separated by ',', so a list number always uses the '.' decimal point.
-    private static readonly Parser<string> ListNumberParser =
         from sign in Parse.Char('-').Optional().Select(x => x.IsDefined ? "-" : "")
         from number in Parse.DecimalInvariant
         select sign + number;
@@ -247,7 +231,7 @@ from closingQuotes in Parse.Char('"').Repeat(count).Text()
             .Or(GuidFormatParser)
             .Or(DateTimeFormatParser)
             .Or(TimeFormatParser)
-            .Or(ListNumberParser)
+            .Or(NumberParser)
             .Or(RawStringLiteralParser.Or(DoubleQuoteParser))
             .Or(Identifier)
             .DelimitedBy(Parse.Char(',').Token());
@@ -472,7 +456,7 @@ private static Expression CreateRightExprFromType(Type leftExprType, string righ
         var targetType = leftExprType;
         if (isEnumerable)
         {
-            if (op.IsCountOperator() && (int.TryParse(right, out var intVal) || int.TryParse(right, NumberStyles.Integer, CultureInfo.InvariantCulture, out intVal)))
+            if (op.IsCountOperator() && int.TryParse(right, NumberStyles.Integer, CultureInfo.InvariantCulture, out var intVal))
             {
                 return FilterValue.Parameter(intVal, typeof(int));
             }
@@ -1365,8 +1349,7 @@ private static bool IsPropertyPath(string value, Type entityType)
         if (value == "null" || 
             value.StartsWith("\"") || 
             value.StartsWith("[") ||
-            value.Contains("-") && (DateTime.TryParse(value, out _) || DateTime.TryParse(value, CultureInfo.InvariantCulture, DateTimeStyles.None, out _)) ||
-            decimal.TryParse(value, out _) ||
+            value.Contains("-") && DateTime.TryParse(value, CultureInfo.InvariantCulture, DateTimeStyles.None, out _) ||
             decimal.TryParse(value, NumberStyles.Number, CultureInfo.InvariantCulture, out _) ||
             bool.TryParse(value, out _) ||
             Guid.TryParse(value, out _))