diff --git a/java/ql/lib/semmle/code/java/security/regexp/NfaUtilsSpecific.qll b/java/ql/lib/semmle/code/java/security/regexp/NfaUtilsSpecific.qll
index d72d6770848..742229eacca 100644
--- a/java/ql/lib/semmle/code/java/security/regexp/NfaUtilsSpecific.qll
+++ b/java/ql/lib/semmle/code/java/security/regexp/NfaUtilsSpecific.qll
@@ -61,7 +61,7 @@ module RegExpFlags {
   /**
    * Gets the flags for `root`, or the empty string if `root` has no flags.
    */
-  string getFlags(RegExpTerm root) {
+  deprecated string getFlags(RegExpTerm root) {
     root.isRootTerm() and
     result = root.getLiteral().getFlags()
   }
diff --git a/java/ql/src/Violations of Best Practice/Naming Conventions/Shadowing.qll b/java/ql/src/Violations of Best Practice/Naming Conventions/Shadowing.qll
index 0451956977e..e58016bdff9 100644
--- a/java/ql/src/Violations of Best Practice/Naming Conventions/Shadowing.qll	
+++ b/java/ql/src/Violations of Best Practice/Naming Conventions/Shadowing.qll	
@@ -1,9 +1,5 @@
 import java
 
-predicate initializedToField(LocalVariableDecl d, Field f) {
-  exists(LocalVariableDeclExpr e | e.getVariable() = d and f.getAnAccess() = e.getInit())
-}
-
 predicate getterFor(Method m, Field f) {
   m.getName().matches("get%") and
   m.getDeclaringType() = f.getDeclaringType() and