--- a/src/java.base/macosx/native/libjli/java_md_macosx.m	Fri Nov 29 10:20:17 2019 +0100
+++ b/src/java.base/macosx/native/libjli/java_md_macosx.m	Thu Nov 28 13:02:39 2019 +0100
@@ -709,13 +709,6 @@
     }
 }
 
-void SplashFreeLibrary() {
-    if (hSplashLib) {
-        dlclose(hSplashLib);
-        hSplashLib = NULL;
-    }
-}
-
 /*
  * Signature adapter for pthread_create().
  */

--- a/src/java.base/share/native/libjli/java.c	Fri Nov 29 10:20:17 2019 +0100
+++ b/src/java.base/share/native/libjli/java.c	Thu Nov 28 13:02:39 2019 +0100
@@ -102,6 +102,9 @@
 /*
  * Prototypes for functions internal to launcher.
  */
+static const char* GetFullVersion();
+static jboolean IsJavaArgs();
+static void SetJavaLauncherProp();
 static void SetClassPath(const char *s);
 static void SetMainModule(const char *s);
 static void SelectVersion(int argc, char **argv, char **main_class);
@@ -643,8 +646,7 @@
 /*
  * Test if an arg identifies a source file.
  */
-jboolean
-IsSourceFile(const char *arg) {
+static jboolean IsSourceFile(const char *arg) {
     struct stat st;
     return (JLI_HasSuffix(arg, ".java") && stat(arg, &st) == 0);
 }
@@ -1871,8 +1873,7 @@
  * JVM would like to know if it's created by a standard Sun launcher, or by
  * user native application, the following property indicates the former.
  */
-void
-SetJavaLauncherProp() {
+static void SetJavaLauncherProp() {
   AddOption("-Dsun.java.launcher=SUN_STANDARD", NULL);
 }
 
@@ -2300,26 +2301,22 @@
 
 }
 
-const char*
-GetFullVersion()
+static const char* GetFullVersion()
 {
     return _fVersion;
 }
 
-const char*
-GetProgramName()
+static const char* GetProgramName()
 {
     return _program_name;
 }
 
-const char*
-GetLauncherName()
+static const char* GetLauncherName()
 {
     return _launcher_name;
 }
 
-jboolean
-IsJavaArgs()
+static jboolean IsJavaArgs()
 {
     return _is_java_args;
 }

--- a/src/java.base/share/native/libjli/java.h	Fri Nov 29 10:20:17 2019 +0100
+++ b/src/java.base/share/native/libjli/java.h	Thu Nov 28 13:02:39 2019 +0100
@@ -162,7 +162,6 @@
 
 /* sun.java.launcher.* platform properties. */
 void SetJavaCommandLineProp(char* what, int argc, char** argv);
-void SetJavaLauncherProp(void);
 
 /*
  * Functions defined in java.c and used in java_md.c.
@@ -174,10 +173,6 @@
 
 // Utility function defined in args.c
 int isTerminalOpt(char *arg);
-
-const char* GetProgramName();
-const char* GetFullVersion();
-jboolean IsJavaArgs();
 jboolean IsJavaw();
 
 int ContinueInNewThread(InvocationFunctions* ifn, jlong threadStackSize,

--- a/src/java.base/unix/native/libjli/java_md_common.c	Fri Nov 29 10:20:17 2019 +0100
+++ b/src/java.base/unix/native/libjli/java_md_common.c	Thu Nov 28 13:02:39 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,7 +27,7 @@
 /*
  * Find the last occurrence of a string
  */
-char* findLastPathComponent(char *buffer, const char *comp) {
+static char* findLastPathComponent(char *buffer, const char *comp) {
     char* t = buffer;
     char* p = NULL;
     size_t l = JLI_StrLen(comp);
@@ -47,7 +47,7 @@
  * Ex: if a buffer contains "/foo/bin/javac" or "/foo/bin/x64/javac", the
  * truncated resulting buffer will contain "/foo".
  */
-jboolean
+static jboolean
 TruncatePath(char *buf)
 {
     // try bin directory, maybe an executable

--- a/src/java.base/unix/native/libjli/java_md_solinux.c	Fri Nov 29 10:20:17 2019 +0100
+++ b/src/java.base/unix/native/libjli/java_md_solinux.c	Thu Nov 28 13:02:39 2019 +0100
@@ -727,13 +727,6 @@
     }
 }
 
-void SplashFreeLibrary() {
-    if (hSplashLib) {
-        dlclose(hSplashLib);
-        hSplashLib = NULL;
-    }
-}
-
 /*
  * Signature adapter for pthread_create() or thr_create().
  */

--- a/src/java.base/windows/native/libjli/java_md.c	Fri Nov 29 10:20:17 2019 +0100
+++ b/src/java.base/windows/native/libjli/java_md.c	Thu Nov 28 13:02:39 2019 +0100
@@ -704,13 +704,6 @@
     }
 }
 
-void SplashFreeLibrary() {
-    if (hSplashLib) {
-        FreeLibrary(hSplashLib);
-        hSplashLib = NULL;
-    }
-}
-
 /*
  * Signature adapter for _beginthreadex().
  */