diff --git a/src/ast_fwd_decl.hpp b/src/ast_fwd_decl.hpp
index 90c362310..e4037865f 100644
--- a/src/ast_fwd_decl.hpp
+++ b/src/ast_fwd_decl.hpp
@@ -426,7 +426,6 @@ namespace Sass {
   typedef std::vector<Sass_Import_Entry> ImporterStack;
 
   typedef const char* Signature;
-
   // only to switch implementations for testing
   #define environment_map std::map
 
diff --git a/src/bind.cpp b/src/bind.cpp
index ec20ac838..fdae1fea6 100644
--- a/src/bind.cpp
+++ b/src/bind.cpp
@@ -10,7 +10,7 @@
 
 namespace Sass {
 
-  void bind(std::string type, std::string name, Parameters_Obj ps, Arguments_Obj as, Context* ctx, Env* env, Eval* eval)
+  void bind(std::string type, std::string name, Parameters_Obj ps, Arguments_Obj as, Env* env, Eval* eval)
   {
     std::string callee(type + " " + name);
 
diff --git a/src/bind.hpp b/src/bind.hpp
index 93a503aa6..9e9e0ec4e 100644
--- a/src/bind.hpp
+++ b/src/bind.hpp
@@ -7,7 +7,7 @@
 
 namespace Sass {
 
-  void bind(std::string type, std::string name, Parameters_Obj, Arguments_Obj, Context*, Env*, Eval*);
+  void bind(std::string type, std::string name, Parameters_Obj, Arguments_Obj, Env*, Eval*);
 }
 
 #endif
diff --git a/src/eval.cpp b/src/eval.cpp
index 512c420e2..585b56d6a 100644
--- a/src/eval.cpp
+++ b/src/eval.cpp
@@ -1003,7 +1003,7 @@ namespace Sass {
     exp.env_stack.push_back(&fn_env);
 
     if (func || body) {
-      bind(std::string("Function"), c->name(), params, args, &ctx, &fn_env, this);
+      bind(std::string("Function"), c->name(), params, args, &fn_env, this);
       std::string msg(", in function `" + c->name() + "`");
       traces.push_back(Backtrace(c->pstate(), msg));
       ctx.callee_stack.push_back({
@@ -1043,7 +1043,7 @@ namespace Sass {
 
       // populates env with default values for params
       std::string ff(c->name());
-      bind(std::string("Function"), c->name(), params, args, &ctx, &fn_env, this);
+      bind(std::string("Function"), c->name(), params, args, &fn_env, this);
       std::string msg(", in function `" + c->name() + "`");
       traces.push_back(Backtrace(c->pstate(), msg));
       ctx.callee_stack.push_back({
diff --git a/src/expand.cpp b/src/expand.cpp
index 7db489c57..1987c4907 100644
--- a/src/expand.cpp
+++ b/src/expand.cpp
@@ -740,7 +740,7 @@ namespace Sass {
       new_env.local_frame()["@content[m]"] = thunk;
     }
 
-    bind(std::string("Mixin"), c->name(), params, args, &ctx, &new_env, &eval);
+    bind(std::string("Mixin"), c->name(), params, args, &new_env, &eval);
 
     Block_Obj trace_block = SASS_MEMORY_NEW(Block, c->pstate());
     Trace_Obj trace = SASS_MEMORY_NEW(Trace, c->pstate(), c->name(), trace_block);
diff --git a/src/fn_utils.hpp b/src/fn_utils.hpp
index ab03bbf4f..4d00d904c 100644
--- a/src/fn_utils.hpp
+++ b/src/fn_utils.hpp
@@ -16,8 +16,6 @@ namespace Sass {
   // special function for weird hsla percent (10px == 10% == 10 != 0.1)
   #define ARGVAL(argname) get_arg_val(argname, env, sig, pstate, traces) // double
 
-  typedef const char* Signature;
-
   typedef Expression_Ptr (*Native_Function)(Env&, Env&, Context&, Signature, ParserState, Backtraces, SelectorStack);
 
   Definition_Ptr make_native_function(Signature, Native_Function, Context& ctx);