diff --git a/django/template/defaulttags.py b/django/template/defaulttags.py
index 8f46c7ff11042..f4018ab427fd3 100644
--- a/django/template/defaulttags.py
+++ b/django/template/defaulttags.py
@@ -989,7 +989,7 @@ def ssi(parser, token):
 
     import warnings
     warnings.warn('The syntax for the ssi template tag is changing. Load the `ssi` tag from the `future` tag library to start using the new behavior.',
-                  category=PendingDeprecationWarning)
+                  category=DeprecationWarning)
 
     bits = token.contents.split()
     parsed = False
@@ -1240,7 +1240,7 @@ def url(parser, token):
 
     import warnings
     warnings.warn('The syntax for the url template tag is changing. Load the `url` tag from the `future` tag library to start using the new behavior.',
-                  category=PendingDeprecationWarning)
+                  category=DeprecationWarning)
 
     bits = token.split_contents()
     if len(bits) < 2:
diff --git a/django/template/loader.py b/django/template/loader.py
index 98eddf24f2609..e10533393d6e0 100644
--- a/django/template/loader.py
+++ b/django/template/loader.py
@@ -137,18 +137,6 @@ def find_template(name, dirs=None):
             pass
     raise TemplateDoesNotExist(name)
 
-def find_template_source(name, dirs=None):
-    # For backward compatibility
-    import warnings
-    warnings.warn(
-        "`django.template.loader.find_template_source` is deprecated; use `django.template.loader.find_template` instead.",
-        DeprecationWarning
-    )
-    template, origin = find_template(name, dirs)
-    if hasattr(template, 'render'):
-        raise Exception("Found a compiled template that is incompatible with the deprecated `django.template.loader.find_template_source` function.")
-    return template, origin
-
 def get_template(template_name):
     """
     Returns a compiled Template object for the given template name,
diff --git a/django/template/loaders/app_directories.py b/django/template/loaders/app_directories.py
index 475ece812f709..b0560b4121013 100644
--- a/django/template/loaders/app_directories.py
+++ b/django/template/loaders/app_directories.py
@@ -62,13 +62,3 @@ def load_template_source(self, template_name, template_dirs=None):
         raise TemplateDoesNotExist(template_name)
 
 _loader = Loader()
-
-def load_template_source(template_name, template_dirs=None):
-    # For backwards compatibility
-    import warnings
-    warnings.warn(
-        "'django.template.loaders.app_directories.load_template_source' is deprecated; use 'django.template.loaders.app_directories.Loader' instead.",
-        DeprecationWarning
-    )
-    return _loader.load_template_source(template_name, template_dirs)
-load_template_source.is_usable = True
diff --git a/django/template/loaders/eggs.py b/django/template/loaders/eggs.py
index df54a41fe8a82..42f87a459ea07 100644
--- a/django/template/loaders/eggs.py
+++ b/django/template/loaders/eggs.py
@@ -28,12 +28,3 @@ def load_template_source(self, template_name, template_dirs=None):
         raise TemplateDoesNotExist(template_name)
 
 _loader = Loader()
-
-def load_template_source(template_name, template_dirs=None):
-    import warnings
-    warnings.warn(
-        "'django.template.loaders.eggs.load_template_source' is deprecated; use 'django.template.loaders.eggs.Loader' instead.",
-        DeprecationWarning
-    )
-    return _loader.load_template_source(template_name, template_dirs)
-load_template_source.is_usable = resource_string is not None
diff --git a/django/template/loaders/filesystem.py b/django/template/loaders/filesystem.py
index b12dcf8fba730..51025acfd5aa2 100644
--- a/django/template/loaders/filesystem.py
+++ b/django/template/loaders/filesystem.py
@@ -49,13 +49,3 @@ def load_template_source(self, template_name, template_dirs=None):
     load_template_source.is_usable = True
 
 _loader = Loader()
-
-def load_template_source(template_name, template_dirs=None):
-    # For backwards compatibility
-    import warnings
-    warnings.warn(
-        "'django.template.loaders.filesystem.load_template_source' is deprecated; use 'django.template.loaders.filesystem.Loader' instead.",
-        DeprecationWarning
-    )
-    return _loader.load_template_source(template_name, template_dirs)
-load_template_source.is_usable = True