diff --git a/Source/Integration/SlashCommand.h b/Source/Integration/SlashCommand.h
index 71225c54..ae27bb18 100644
--- a/Source/Integration/SlashCommand.h
+++ b/Source/Integration/SlashCommand.h
@@ -78,7 +78,7 @@ public:
 	// is consumed either way.  Returns Success if it matched, Error
 	// otherwise.
 	//
-	UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "ReturnValue"))
+	UFUNCTION(BlueprintCallable, meta = (BlueprintInternalUseOnly = "true", ExpandEnumAsExecs = "ReturnValue"))
 	ElxSuccessOrError CheckCommand(const FString& Literal, const FString& Prototype);
 
 	// Read the next whitespace-delimited word from the command line.
@@ -87,7 +87,7 @@ public:
 	// the token as an FString.  Returns Error (with an empty Result)
 	// if there is no nonwhitespace input left, Success otherwise.
 	//
-	UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "ReturnValue"))
+	UFUNCTION(BlueprintCallable, meta = (BlueprintInternalUseOnly = "true", ExpandEnumAsExecs = "ReturnValue"))
 	ElxSuccessOrError ReadToken(FString& Result);
 
 	// Read the next token and interpret it as an integer, using C++
@@ -95,7 +95,7 @@ public:
 	// octal).  The whole token must be valid; "12abc" is rejected.
 	// Returns Error (with Result 0) on failure, Success otherwise.
 	//
-	UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "ReturnValue"))
+	UFUNCTION(BlueprintCallable, meta = (BlueprintInternalUseOnly = "true", ExpandEnumAsExecs = "ReturnValue"))
 	ElxSuccessOrError ReadInteger(int32& Result);
 
 	// Read the next token and interpret it as a floating-point number,
@@ -104,14 +104,14 @@ public:
 	// is rejected.  Returns Error (with Result 0) on failure, Success
 	// otherwise.
 	//
-	UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "ReturnValue"))
+	UFUNCTION(BlueprintCallable, meta = (BlueprintInternalUseOnly = "true", ExpandEnumAsExecs = "ReturnValue"))
 	ElxSuccessOrError ReadFloat(double& Result);
 
 	// Read the rest of the command line, from the cursor to the end,
 	// trimmed of leading and trailing whitespace.  The cursor is
 	// advanced to the end.  Always returns Success.
-	//
-	UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "ReturnValue"))
+	// 
+	UFUNCTION(BlueprintCallable, meta = (BlueprintInternalUseOnly = "true", ExpandEnumAsExecs = "ReturnValue"))
 	ElxSuccessOrError ReadRest(FString& Result);
 
 	// Return a user-facing error message describing why parsing failed.