diff --git a/docs/language.rst b/docs/language.rst
index ff1b25d3a1..e3de8af2b6 100644
--- a/docs/language.rst
+++ b/docs/language.rst
@@ -161,24 +161,8 @@ framework. Code generation information is related to CoreNEURON backend.
 +------------------------+-------------------+-------------------+---------------------+
 | after_cvode            | yes               | no                |                     |
 +------------------------+-------------------+-------------------+---------------------+
-| adams                  | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
-| adeuler                | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
-| heun                   | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
-| adrunge                | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
-| gear                   | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
-| simplex                | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
 | simeq                  | yes               | no                |                     |
 +------------------------+-------------------+-------------------+---------------------+
-| seidel                 | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
-| clsoda                 | yes               | no                |                     |
-+------------------------+-------------------+-------------------+---------------------+
 | cvode_t                | yes               | no                |                     |
 +------------------------+-------------------+-------------------+---------------------+
 | cvode_v                | yes               | no                |                     |
diff --git a/src/lexer/token_mapping.cpp b/src/lexer/token_mapping.cpp
index 0a8a25d459..632a0e3727 100644
--- a/src/lexer/token_mapping.cpp
+++ b/src/lexer/token_mapping.cpp
@@ -142,22 +142,14 @@ struct MethodInfo {
  *
  * \todo MethodInfo::subtype should be changed from integer flag to proper type
  */
-const static std::map<std::string, MethodInfo> methods = {{"adams", MethodInfo(DERF | KINF, 0)},
-                                                          {"runge", MethodInfo(DERF | KINF, 0)},
+const static std::map<std::string, MethodInfo> methods = {{"runge", MethodInfo(DERF | KINF, 0)},
                                                           {"euler", MethodInfo(DERF | KINF, 0)},
-                                                          {"adeuler", MethodInfo(DERF | KINF, 1)},
-                                                          {"heun", MethodInfo(DERF | KINF, 0)},
-                                                          {"adrunge", MethodInfo(DERF | KINF, 1)},
-                                                          {"gear", MethodInfo(DERF | KINF, 1)},
                                                           {"newton", MethodInfo(NLINF, 0)},
-                                                          {"simplex", MethodInfo(NLINF, 0)},
                                                           {"simeq", MethodInfo(LINF, 0)},
-                                                          {"seidel", MethodInfo(LINF, 0)},
                                                           {"_advance", MethodInfo(KINF, 0)},
                                                           {"sparse", MethodInfo(KINF, 0)},
                                                           {"derivimplicit", MethodInfo(DERF, 0)},
                                                           {"cnexp", MethodInfo(DERF, 0)},
-                                                          {"clsoda", MethodInfo(DERF | KINF, 1)},
                                                           {"after_cvode", MethodInfo(0, 0)},
                                                           {"cvode_t", MethodInfo(0, 0)},
                                                           {"cvode_t_v", MethodInfo(0, 0)}};