diff --git a/cli/loader_lib.c b/cli/loader_lib.c
index b56a4893ea66f..2f596ac27202d 100644
--- a/cli/loader_lib.c
+++ b/cli/loader_lib.c
@@ -196,9 +196,9 @@ JL_DLLEXPORT int jl_load_repl(int argc, char * argv[]) {
 #endif
 
     // Load the repl entrypoint symbol and jump into it!
-    int (*entrypoint)(int, char **) = (int (*)(int, char **))lookup_symbol(libjulia_internal, "repl_entrypoint");
+    int (*entrypoint)(int, char **) = (int (*)(int, char **))lookup_symbol(libjulia_internal, "jl_repl_entrypoint");
     if (entrypoint == NULL) {
-        jl_loader_print_stderr("ERROR: Unable to find `repl_entrypoint()` within libjulia-internal!\n");
+        jl_loader_print_stderr("ERROR: Unable to find `jl_repl_entrypoint()` within libjulia-internal!\n");
         exit(1);
     }
     return entrypoint(argc, (char **)argv);
diff --git a/src/init.c b/src/init.c
index 05d7690cd47b0..7ed1a200eb2a5 100644
--- a/src/init.c
+++ b/src/init.c
@@ -628,7 +628,7 @@ static void restore_fp_env(void)
     }
 }
 
-void _julia_init(JL_IMAGE_SEARCH rel)
+JL_DLLEXPORT void julia_init(JL_IMAGE_SEARCH rel)
 {
     jl_init_timing();
     // Make sure we finalize the tls callback before starting any threads.
diff --git a/src/jl_exported_funcs.inc b/src/jl_exported_funcs.inc
index 8a23a0f5e9b65..07f783d36439c 100644
--- a/src/jl_exported_funcs.inc
+++ b/src/jl_exported_funcs.inc
@@ -273,8 +273,8 @@
     XX(jl_idtable_rehash) \
     XX(jl_infer_thunk) \
     XX(jl_init_restored_modules) \
-    XX(jl_init__threading) \
-    XX(jl_init_with_image__threading) \
+    XX(jl_init) \
+    XX(jl_init_with_image) \
     XX(jl_install_sigint_handler) \
     XX(jl_instantiate_type_in_env) \
     XX(jl_instantiate_unionall) \
@@ -538,4 +538,5 @@
     XX(jl_vexceptionf) \
     XX(jl_vprintf) \
     XX(jl_wakeup_thread) \
-    XX(jl_yield)
+    XX(jl_yield) \
+    XX(jl_print_backtrace)
diff --git a/src/jlapi.c b/src/jlapi.c
index d27f7e03d958c..a0ca896aa0ed0 100644
--- a/src/jlapi.c
+++ b/src/jlapi.c
@@ -500,8 +500,7 @@ static int exec_program(char *program)
         jl_load(jl_main_module, program);
     }
     JL_CATCH {
-        // TODO: It is possible for this output
-        //       to be mangled due to `jlbacktrace`
+        // TODO: It is possible for this output to be mangled due to `jl_print_backtrace`
         //       printing directly to STDERR_FILENO.
         int shown_err = 0;
         jl_printf(JL_STDERR, "error during bootstrap:\n");
@@ -520,32 +519,13 @@ static int exec_program(char *program)
             jl_static_show((JL_STREAM*)STDERR_FILENO, exc);
             jl_printf((JL_STREAM*)STDERR_FILENO, "\n");
         }
-        jlbacktrace(); // written to STDERR_FILENO
+        jl_print_backtrace(); // written to STDERR_FILENO
         jl_printf((JL_STREAM*)STDERR_FILENO, "\n");
         return 1;
     }
     return 0;
 }
 
-#ifdef JL_GF_PROFILE
-static void print_profile(void)
-{
-    size_t i;
-    void **table = jl_base_module->bindings.table;
-    for(i=1; i < jl_base_module->bindings.size; i+=2) {
-        if (table[i] != HT_NOTFOUND) {
-            jl_binding_t *b = (jl_binding_t*)table[i];
-            if (b->value != NULL && jl_is_function(b->value) &&
-                jl_is_gf(b->value)) {
-                jl_printf(JL_STDERR, "%d\t%s\n",
-                           jl_gf_mtable(b->value)->ncalls,
-                           jl_gf_name(b->value)->name);
-            }
-        }
-    }
-}
-#endif
-
 static NOINLINE int true_main(int argc, char *argv[])
 {
     jl_set_ARGS(argc, argv);
@@ -573,9 +553,9 @@ static NOINLINE int true_main(int argc, char *argv[])
         }
     }
 
-    ios_puts("WARNING: Base._start not defined, falling back to economy mode repl.\n", ios_stdout);
+    jl_printf(JL_STDOUT, "WARNING: Base._start not defined, falling back to economy mode repl.\n");
     if (!jl_errorexception_type)
-        ios_puts("WARNING: jl_errorexception_type not defined; any errors will be fatal.\n", ios_stdout);
+        jl_printf(JL_STDOUT, "WARNING: jl_errorexception_type not defined; any errors will be fatal.\n");
 
     while (!ios_eof(ios_stdin)) {
         char *volatile line = NULL;
@@ -597,7 +577,7 @@ static NOINLINE int true_main(int argc, char *argv[])
             jl_printf(JL_STDOUT, "\n");
             free(line);
             line = NULL;
-            uv_run(jl_global_event_loop(),UV_RUN_NOWAIT);
+            jl_process_events();
         }
         JL_CATCH {
             if (line) {
@@ -607,7 +587,7 @@ static NOINLINE int true_main(int argc, char *argv[])
             jl_printf((JL_STREAM*)STDERR_FILENO, "\nparser error:\n");
             jl_static_show((JL_STREAM*)STDERR_FILENO, jl_current_exception());
             jl_printf((JL_STREAM*)STDERR_FILENO, "\n");
-            jlbacktrace(); // written to STDERR_FILENO
+            jl_print_backtrace(); // written to STDERR_FILENO
         }
     }
     return 0;
@@ -665,7 +645,7 @@ static void rr_detach_teleport(void) {
 #endif
 }
 
-JL_DLLEXPORT int repl_entrypoint(int argc, char *argv[])
+JL_DLLEXPORT int jl_repl_entrypoint(int argc, char *argv[])
 {
     // no-op on Windows, note that the caller must have already converted
     // from `wchar_t` to `UTF-8` already if we're running on Windows.
diff --git a/src/julia.expmap b/src/julia.expmap
index d9d255cc8c547..5f03eccbfcad6 100644
--- a/src/julia.expmap
+++ b/src/julia.expmap
@@ -37,7 +37,6 @@
     _IO_stdin_used;
     __ZN4llvm23createLowerSimdLoopPassEv;
     LLVMExtra*;
-    repl_entrypoint;
 
     /* freebsd */
     environ;
diff --git a/src/julia.h b/src/julia.h
index 1e0d96af669c7..8ec461e77126b 100644
--- a/src/julia.h
+++ b/src/julia.h
@@ -1639,10 +1639,6 @@ typedef enum {
     JL_IMAGE_JULIA_HOME = 1,
     //JL_IMAGE_LIBJULIA = 2,
 } JL_IMAGE_SEARCH;
-// this helps turn threading compilation mismatches into linker errors
-#define julia_init julia_init__threading
-#define jl_init jl_init__threading
-#define jl_init_with_image jl_init_with_image__threading
 
 JL_DLLEXPORT const char *jl_get_libdir(void);
 JL_DLLEXPORT void julia_init(JL_IMAGE_SEARCH rel);
@@ -1965,7 +1961,8 @@ JL_DLLEXPORT jl_value_t *jl_stdout_obj(void) JL_NOTSAFEPOINT;
 JL_DLLEXPORT jl_value_t *jl_stderr_obj(void) JL_NOTSAFEPOINT;
 JL_DLLEXPORT size_t jl_static_show(JL_STREAM *out, jl_value_t *v) JL_NOTSAFEPOINT;
 JL_DLLEXPORT size_t jl_static_show_func_sig(JL_STREAM *s, jl_value_t *type) JL_NOTSAFEPOINT;
-JL_DLLEXPORT void jlbacktrace(void) JL_NOTSAFEPOINT;
+JL_DLLEXPORT void jl_print_backtrace(void) JL_NOTSAFEPOINT;
+JL_DLLEXPORT void jlbacktrace(void) JL_NOTSAFEPOINT; // deprecated
 // Mainly for debugging, use `void*` so that no type cast is needed in C++.
 JL_DLLEXPORT void jl_(void *jl_value) JL_NOTSAFEPOINT;
 
diff --git a/src/julia_internal.h b/src/julia_internal.h
index 43617b17dbefe..d6170a9d56719 100644
--- a/src/julia_internal.h
+++ b/src/julia_internal.h
@@ -676,8 +676,6 @@ void jl_init_int32_int64_cache(void);
 
 void jl_teardown_codegen(void);
 
-void _julia_init(JL_IMAGE_SEARCH rel);
-
 void jl_set_base_ctx(char *__stk);
 
 extern ssize_t jl_tls_offset;
diff --git a/src/stackwalk.c b/src/stackwalk.c
index a00980fdf81ec..d117b7146fe77 100644
--- a/src/stackwalk.c
+++ b/src/stackwalk.c
@@ -774,6 +774,11 @@ JL_DLLEXPORT void jlbacktracet(jl_task_t *t)
     }
 }
 
+JL_DLLEXPORT void jl_print_backtrace(void) JL_NOTSAFEPOINT
+{
+    jlbacktrace();
+}
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/task.c b/src/task.c
index 4d38d30f5cc56..54aaf5fdc530f 100644
--- a/src/task.c
+++ b/src/task.c
@@ -312,11 +312,6 @@ NOINLINE static void record_backtrace(jl_ptls_t ptls, int skip) JL_NOTSAFEPOINT
     ptls->bt_size = rec_backtrace(ptls->bt_data, JL_MAX_BT_SIZE, skip + 1);
 }
 
-JL_DLLEXPORT void julia_init(JL_IMAGE_SEARCH rel)
-{
-    _julia_init(rel);
-}
-
 JL_DLLEXPORT void jl_set_next_task(jl_task_t *task) JL_NOTSAFEPOINT
 {
     jl_get_ptls_states()->next_task = task;