diff --git a/src/Cronos/CronExpression.cs b/src/Cronos/CronExpression.cs
index e89a723..da57c43 100644
--- a/src/Cronos/CronExpression.cs
+++ b/src/Cronos/CronExpression.cs
@@ -23,7 +23,6 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Text;
 
@@ -245,7 +244,9 @@ public IEnumerable<DateTime> GetOccurrences(
 
             var fromOffset = new DateTimeOffset(fromUtc);
 
+#pragma warning disable CA1062
             var occurrence = GetOccurrenceConsideringTimeZone(fromOffset, zone, inclusive);
+#pragma warning restore CA1062
 
             return occurrence?.UtcDateTime;
         }
@@ -294,7 +295,9 @@ public IEnumerable<DateTime> GetOccurrences(
                 return new DateTimeOffset(found, TimeSpan.Zero);
             }
 
+#pragma warning disable CA1062
             return GetOccurrenceConsideringTimeZone(from, zone, inclusive);
+#pragma warning restore CA1062
         }
 
         /// <summary>
diff --git a/src/Cronos/CronFormat.cs b/src/Cronos/CronFormat.cs
index e5ffe87..994fd72 100644
--- a/src/Cronos/CronFormat.cs
+++ b/src/Cronos/CronFormat.cs
@@ -33,7 +33,9 @@ public enum CronFormat
         /// <summary>
         /// Parsing string must contain only 5 fields: minute, hour, day of month, month, day of week.
         /// </summary>
+#pragma warning disable CA1008
         Standard = 0,
+#pragma warning restore CA1008
 
         /// <summary>
         /// Second field must be specified in parsing string.
diff --git a/src/Cronos/Cronos.csproj b/src/Cronos/Cronos.csproj
index ef38521..210bbe4 100644
--- a/src/Cronos/Cronos.csproj
+++ b/src/Cronos/Cronos.csproj
@@ -38,7 +38,7 @@
   <PropertyGroup>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <AnalysisLevel>latest</AnalysisLevel>
-    <AnalysisMode>Recommended</AnalysisMode>
+    <AnalysisMode>All</AnalysisMode>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 </Project>