diff --git a/src/printer.js b/src/printer.js
index 538ec61b..23daf3e4 100644
--- a/src/printer.js
+++ b/src/printer.js
@@ -726,7 +726,7 @@ function genericPrintNoParens(path, options, print) {
     case "NullLiteral":
       return "null"; // Babel 6 Literal split
     case "RegExpLiteral":
-      return printRegex(n);
+      return n.extra.raw;
     // Babel 6 Literal split
     case "NumericLiteral":
       return printNumber(n.extra.raw);
@@ -736,7 +736,6 @@ function genericPrintNoParens(path, options, print) {
     case "StringLiteral":
     case "Literal":
       if (typeof n.value === "number") return printNumber(n.raw);
-      if (n.regex) return printRegex(n.regex);
       if (typeof n.value !== "string") return "" + n.value;
 
       return nodeStr(n, options); // Babel 6
@@ -1231,10 +1230,7 @@ function genericPrintNoParens(path, options, print) {
     case "ClassExpression":
       return concat(printClass(path, options, print));
     case "TemplateElement":
-      return join(
-        literalline,
-        n.value.raw.split("\n").map(line => normalizeEscapes(line))
-      );
+      return join(literalline, n.value.raw.split("\n"));
     case "TemplateLiteral":
       var expressions = path.map(print, "expressions");
 
@@ -2591,37 +2587,7 @@ function makeString(rawContent, enclosingQuote) {
     return match;
   });
 
-  return enclosingQuote + normalizeEscapes(newContent) + enclosingQuote;
-}
-
-function printRegex(regexData) {
-  const pattern = regexData.pattern;
-  const flags = regexData.flags;
-  const skipES2015 = !flags.includes("u");
-
-  return "/" + normalizeEscapes(pattern, skipES2015) + "/" + flags;
-}
-
-function normalizeEscapes(rawContent, skipES2015) {
-  // Matches \x escapes and \u escapes (including the ES2015 variant) and other
-  // escapes.
-  const regex = /(\\x[\da-f]{2}|\\u[\da-f]{4}|\\u\{[\da-f]+\})|(\\[\s\S])/gi;
-
-  return rawContent.replace(regex, (match, escape, otherEscape) => {
-    // Return other escapes as-is.
-    if (otherEscape) {
-      return otherEscape;
-    }
-
-    // Regexes without the /u flag do not support ES2015 unicode escapes, so
-    // return the match as-is.
-    if (skipES2015 && escape[2] === "{") {
-      return escape;
-    }
-
-    // Print all \x and \u escapes lowercase.
-    return escape.toLowerCase();
-  });
+  return enclosingQuote + newContent + enclosingQuote;
 }
 
 function printNumber(rawNumber) {
diff --git a/tests/literal/__snapshots__/jsfmt.spec.js.snap b/tests/literal/__snapshots__/jsfmt.spec.js.snap
index 458f8170..9e26c22a 100644
--- a/tests/literal/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/literal/__snapshots__/jsfmt.spec.js.snap
@@ -116,48 +116,3 @@ function test5(): string {
 0.1e-10;
 "
 `;
-
-exports[`test regex.js 1`] = `
-"// Normalization of \\x and \\u escapes:
-
-// Basic case.
-/a\\xAaAb\\uB1cDE/gim;
-
-// ES2015 unicode escapes.
-/\\u{1Fa3}/u;
-/\\u{00000000A0}/u;
-
-// Leaves what looks like a ES2015 unicode escape alone if not using the /u flag.
-/\\u{1Fa3}/;
-
-// Leaves what looks like escapes but aren\'t alone.
-/\\xA\\u00BG/;
-
-// Leaves other escapes alone.
-/\\B\\S/;
-
-// Handles escaped backslashes.
-/\\\\xAB\\\\\\xAB\\\\\\\\xAB\\B\\\\\\B\\uAbCd/;
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// Normalization of \\x and \\u escapes:
-
-// Basic case.
-/a\\xaaAb\\ub1cdE/gim;
-
-// ES2015 unicode escapes.
-/\\u{1fa3}/u;
-/\\u{00000000a0}/u;
-
-// Leaves what looks like a ES2015 unicode escape alone if not using the /u flag.
-/\\u{1Fa3}/;
-
-// Leaves what looks like escapes but aren\'t alone.
-/\\xA\\u00BG/;
-
-// Leaves other escapes alone.
-/\\B\\S/;
-
-// Handles escaped backslashes.
-/\\\\xAB\\\\\\xab\\\\\\\\xAB\\B\\\\\\B\\uabcd/;
-"
-`;
diff --git a/tests/literal/regex.js b/tests/literal/regex.js
deleted file mode 100644
index 30a7b047..00000000
--- a/tests/literal/regex.js
+++ /dev/null
@@ -1,20 +0,0 @@
-// Normalization of \x and \u escapes:
-
-// Basic case.
-/a\xAaAb\uB1cDE/gim;
-
-// ES2015 unicode escapes.
-/\u{1Fa3}/u;
-/\u{00000000A0}/u;
-
-// Leaves what looks like a ES2015 unicode escape alone if not using the /u flag.
-/\u{1Fa3}/;
-
-// Leaves what looks like escapes but aren't alone.
-/\xA\u00BG/;
-
-// Leaves other escapes alone.
-/\B\S/;
-
-// Handles escaped backslashes.
-/\\xAB\\\xAB\\\\xAB\B\\\B\uAbCd/;
diff --git a/tests/strings/__snapshots__/jsfmt.spec.js.snap b/tests/strings/__snapshots__/jsfmt.spec.js.snap
index 7cff0058..b75363d4 100644
--- a/tests/strings/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/strings/__snapshots__/jsfmt.spec.js.snap
@@ -24,29 +24,6 @@ exports[`test strings.js 1`] = `
 
   \'\\uD801\\uDC28\',
 ];
-
-// Normalization of \\x and \\u escapes:
-
-// Basic case.
-\"a\\xAaAb\\uB1cDE\";
-\`a\\xAaAb\\uB1cDE\`;
-
-// ES2015 unicode escapes.
-\"\\u{1Fa3}\";
-\`\\u{1Fa3}\`;
-\"\\u{00000000A0}\";
-\`\\u{00000000A0}\`;
-
-// Leaves other escapes alone.
-\"\\B\\S\";
-\`\\B\\S\`;
-
-// Handles escaped backslashes.
-\"\\\\xAB\\\\\\xAB\\\\\\\\xAB\\B\\\\\\B\\u1234\";
-\`\\\\xAB\\\\\\xAB\\\\\\\\xAB\\B\\\\\\B\\u1234\`;
-
-// Mix of everything.
-\"\\xF0\"\`a\\uaBcD\${\'\\xFdE\'}\\\\\\u{00AbCdE}\`;
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 [
   \"abc\",
@@ -65,18 +42,6 @@ exports[`test strings.js 1`] = `
   \"\\0\",
   \"🐶\",
   \'\\uD801\\uDC28\'
-]; // Normalization of \\x and \\u escapes: // Basic case.
-
-\"a\\xaaAb\\ub1cdE\";
-\`a\\xaaAb\\ub1cdE\`; // ES2015 unicode escapes.
-\"\\u{1fa3}\";
-\`\\u{1fa3}\`;
-\"\\u{00000000a0}\";
-\`\\u{00000000a0}\`; // Leaves other escapes alone.
-\"\\B\\S\";
-\`\\B\\S\`; // Handles escaped backslashes.
-\"\\\\xAB\\\\\\xab\\\\\\\\xAB\\B\\\\\\B\\u1234\";
-\`\\\\xAB\\\\\\xab\\\\\\\\xAB\\B\\\\\\B\\u1234\`; // Mix of everything.
-\"\\xf0\"\`a\\uabcd\${\"\\xfdE\"}\\\\\\u{00abcde}\`;
+];
 "
 `;
diff --git a/tests/strings/strings.js b/tests/strings/strings.js
index c2722e2b..d31dceb2 100644
--- a/tests/strings/strings.js
+++ b/tests/strings/strings.js
@@ -23,26 +23,3 @@
 
   '\uD801\uDC28',
 ];
-
-// Normalization of \x and \u escapes:
-
-// Basic case.
-"a\xAaAb\uB1cDE";
-`a\xAaAb\uB1cDE`;
-
-// ES2015 unicode escapes.
-"\u{1Fa3}";
-`\u{1Fa3}`;
-"\u{00000000A0}";
-`\u{00000000A0}`;
-
-// Leaves other escapes alone.
-"\B\S";
-`\B\S`;
-
-// Handles escaped backslashes.
-"\\xAB\\\xAB\\\\xAB\B\\\B\u1234";
-`\\xAB\\\xAB\\\\xAB\B\\\B\u1234`;
-
-// Mix of everything.
-"\xF0"`a\uaBcD${'\xFdE'}\\\u{00AbCdE}`;