diff --git a/src/coreclr/clr.featuredefines.props b/src/coreclr/clr.featuredefines.props
index 08fca8de6dd644..184e885470f636 100644
--- a/src/coreclr/clr.featuredefines.props
+++ b/src/coreclr/clr.featuredefines.props
@@ -9,7 +9,7 @@
         <FeaturePerfTracing>true</FeaturePerfTracing>
         <FeatureTypeEquivalence>true</FeatureTypeEquivalence>
         <FeatureBasicFreeze>true</FeatureBasicFreeze>
-        <FeatureGenericMath>true</FeatureGenericMath>
+        <FeatureGenericMath>false</FeatureGenericMath>
         <ProfilingSupportedBuild>true</ProfilingSupportedBuild>
     </PropertyGroup>
 
diff --git a/src/libraries/System.Runtime/ref/System.Runtime.csproj b/src/libraries/System.Runtime/ref/System.Runtime.csproj
index c978be13789eae..9cbad9dddb8044 100644
--- a/src/libraries/System.Runtime/ref/System.Runtime.csproj
+++ b/src/libraries/System.Runtime/ref/System.Runtime.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <FeatureGenericMath>true</FeatureGenericMath>
+    <FeatureGenericMath>false</FeatureGenericMath>
     <!-- It is a core assembly because it defines System.Object so we need to pass RuntimeMetadataVersion to the compiler -->
     <RuntimeMetadataVersion>v4.0.30319</RuntimeMetadataVersion>
     <!-- disable warnings about obsolete APIs,
diff --git a/src/libraries/System.Runtime/tests/System.Runtime.Tests.csproj b/src/libraries/System.Runtime/tests/System.Runtime.Tests.csproj
index 0f4092248ae8ee..ea5001bbb7a6b0 100644
--- a/src/libraries/System.Runtime/tests/System.Runtime.Tests.csproj
+++ b/src/libraries/System.Runtime/tests/System.Runtime.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <FeatureGenericMath>true</FeatureGenericMath>
+    <FeatureGenericMath>false</FeatureGenericMath>
     <NoWarn>$(NoWarn),1718,SYSLIB0013</NoWarn>
     <TestRuntime>true</TestRuntime>
     <IncludeRemoteExecutor>true</IncludeRemoteExecutor>
diff --git a/src/mono/System.Private.CoreLib/System.Private.CoreLib.csproj b/src/mono/System.Private.CoreLib/System.Private.CoreLib.csproj
index 5290a6bc8c57f8..ae9cf03ab132ea 100644
--- a/src/mono/System.Private.CoreLib/System.Private.CoreLib.csproj
+++ b/src/mono/System.Private.CoreLib/System.Private.CoreLib.csproj
@@ -109,7 +109,7 @@
     <FeatureMono>true</FeatureMono>
     <FeatureManagedEtwChannels>true</FeatureManagedEtwChannels>
     <FeatureManagedEtw>true</FeatureManagedEtw>
-    <FeatureGenericMath>true</FeatureGenericMath>
+    <FeatureGenericMath>false</FeatureGenericMath>
     <FeaturePortableTimer Condition="'$(TargetsBrowser)' != 'true'">true</FeaturePortableTimer>
     <FeaturePortableThreadPool Condition="'$(TargetsBrowser)' != 'true'">true</FeaturePortableThreadPool>
     <FeaturePerfTracing Condition="'$(TargetsBrowser)' != 'true'">true</FeaturePerfTracing>