diff --git a/Ast/src/Parser.cpp b/Ast/src/Parser.cpp
index 621b0374..668c2a5e 100644
--- a/Ast/src/Parser.cpp
+++ b/Ast/src/Parser.cpp
@@ -2004,13 +2004,7 @@ AstExpr* Parser::parsePrimaryExpr(bool asStatement)
 
             expr = parseFunctionArgs(expr, false);
         }
-        else if (
-            lexer.current().type == '{'
-            || lexer.current().type == Lexeme::RawString
-            || lexer.current().type == Lexeme::QuotedString
-            || lexer.current().type == Lexeme::InterpStringBegin
-            || lexer.current().type == Lexeme::InterpStringSimple
-        )
+        else if (lexer.current().type == '{' || lexer.current().type == Lexeme::RawString || lexer.current().type == Lexeme::QuotedString)
         {
             expr = parseFunctionArgs(expr, false);
         }
@@ -2317,14 +2311,6 @@ AstExpr* Parser::parseFunctionArgs(AstExpr* func, bool self)
 
         return allocator.alloc<AstExprCall>(Location(func->location, expr->location), func, copy(&expr, 1), self, argLocation);
     }
-    else if (FFlag::LuauInterpolatedStringBaseSupport && (lexer.current().type == Lexeme::InterpStringBegin || lexer.current().type == Lexeme::InterpStringSimple))
-    {
-        Position argStart = lexer.current().location.end;
-        AstExpr* expr = parseInterpString();
-        Position argEnd = lexer.previousLocation().end;
-
-        return allocator.alloc<AstExprCall>(Location(func->location, expr->location), func, copy(&expr, 1), self, Location(argStart, argEnd));
-    }
     else
     {
         return reportFunctionArgsError(func, self);
diff --git a/tests/Parser.test.cpp b/tests/Parser.test.cpp
index d81989da..2dd47708 100644
--- a/tests/Parser.test.cpp
+++ b/tests/Parser.test.cpp
@@ -1028,6 +1028,23 @@ TEST_CASE_FIXTURE(Fixture, "parse_interpolated_string_as_type_fail")
     }
 }
 
+TEST_CASE_FIXTURE(Fixture, "parse_interpolated_string_call_without_parens")
+{
+    ScopedFastFlag sff{"LuauInterpolatedStringBaseSupport", true};
+
+    try
+    {
+        parse(R"(
+            _ = print `{42}`
+        )");
+        FAIL("Expected ParseErrors to be thrown");
+    }
+    catch (const ParseErrors& e)
+    {
+        CHECK_EQ("Expected identifier when parsing expression, got `{", e.getErrors().front().getMessage());
+    }
+}
+
 TEST_CASE_FIXTURE(Fixture, "parse_nesting_based_end_detection")
 {
     try
diff --git a/tests/conformance/stringinterp.lua b/tests/conformance/stringinterp.lua
index 539505f4..efb25bae 100644
--- a/tests/conformance/stringinterp.lua
+++ b/tests/conformance/stringinterp.lua
@@ -54,13 +54,6 @@ end
 assertEq(shadowsString("hello"), "Value is hello")
 assertEq(shadowsString(1), "Value is 1")
 
-local function identity(x)
-	return x
-end
-
-assertEq(identity`text`, "text")
-assertEq(identity`foo{"bar"}`, "foobar")
-
 assertEq(`\u{0041}\t`, "A\t")
 
 return "OK"