diff --git a/src/FSharpSource.targets b/src/FSharpSource.targets
index aaa2e141077..596d381bd7e 100644
--- a/src/FSharpSource.targets
+++ b/src/FSharpSource.targets
@@ -121,7 +121,6 @@
     <DefineConstants>$(DefineConstants);PUT_TYPE_PROVIDERS_IN_FSCORE;</DefineConstants>
     <DefineConstants>$(DefineConstants);FX_ATLEAST_LINQ</DefineConstants>
     <DefineConstants>$(DefineConstants);ENABLE_MONO_SUPPORT</DefineConstants>
-    <DefineConstants>$(DefineConstants);FX_MSBUILDRESOLVER_RUNTIMELIKE</DefineConstants>
     <DefineConstants>$(DefineConstants);FX_LCIDFROMCODEPAGE</DefineConstants>
     <DefineConstants>$(DefineConstants);FX_RESX_RESOURCE_READER</DefineConstants>
     <DefineConstants>$(DefineConstants);FX_RESIDENT_COMPILER</DefineConstants>
diff --git a/src/fsharp/CompileOps.fs b/src/fsharp/CompileOps.fs
index 4858286e0bd..d6c33b1405a 100644
--- a/src/fsharp/CompileOps.fs
+++ b/src/fsharp/CompileOps.fs
@@ -2811,7 +2811,9 @@ type TcConfig private (data : TcConfigBuilder,validate:bool) =
 #endif
                 try 
                     match tcConfig.resolutionEnvironment with
-#if FX_MSBUILDRESOLVER_RUNTIMELIKE
+#if TODO_REWORK_ASSEMBLY_LOAD
+                // "RuntimeLike" assembly resolution for F# Interactive is not yet properly figured out on .NET Core
+#else
                     | ReferenceResolver.RuntimeLike ->
                         [System.Runtime.InteropServices.RuntimeEnvironment.GetRuntimeDirectory()] 
 #endif
@@ -4854,10 +4856,11 @@ module private ScriptPreprocessClosure =
         tcConfigB.resolutionEnvironment <-
             match codeContext with 
             | CodeContext.Editing -> ReferenceResolver.DesignTimeLike
-#if FX_MSBUILDRESOLVER_RUNTIMELIKE
-            | CodeContext.Compilation | CodeContext.Evaluation -> ReferenceResolver.RuntimeLike
-#else
+#if TODO_REWORK_ASSEMBLY_LOAD
+            // "RuntimeLike" assembly resolution for F# Interactive is not yet properly figured out on .NET Core
             | CodeContext.Compilation | CodeContext.Evaluation -> ReferenceResolver.CompileTimeLike
+#else
+            | CodeContext.Compilation | CodeContext.Evaluation -> ReferenceResolver.RuntimeLike
 #endif
         tcConfigB.framework <- false 
         // Indicates that there are some references not in BasicReferencesForScriptLoadClosure which should
diff --git a/src/fsharp/fsi/fsi.fs b/src/fsharp/fsi/fsi.fs
index 7bf1925331d..817ba00fb63 100644
--- a/src/fsharp/fsi/fsi.fs
+++ b/src/fsharp/fsi/fsi.fs
@@ -2217,10 +2217,11 @@ type internal FsiEvaluationSession (argv:string[], inReader:TextReader, outWrite
                                   Directory.GetCurrentDirectory(),isInteractive=true, 
                                   isInvalidationSupported=false)
     let tcConfigP = TcConfigProvider.BasedOnMutableBuilder(tcConfigB)
-#if FX_MSBUILDRESOLVER_RUNTIMELIKE
-    do tcConfigB.resolutionEnvironment <- ReferenceResolver.RuntimeLike // See Bug 3608
-#else
+#if TODO_REWORK_ASSEMBLY_LOAD
+    // "RuntimeLike" assembly resolution for F# Interactive is not yet properly figured out on .NET Core
     do tcConfigB.resolutionEnvironment <- ReferenceResolver.DesignTimeLike
+#else
+    do tcConfigB.resolutionEnvironment <- ReferenceResolver.RuntimeLike // See Bug 3608
 #endif
     do tcConfigB.useFsiAuxLib <- true