diff --git a/src/arkode/arkode_impl.h b/src/arkode/arkode_impl.h
index 284ddd0a35..bf68d25faa 100644
--- a/src/arkode/arkode_impl.h
+++ b/src/arkode/arkode_impl.h
@@ -638,38 +638,7 @@ int arkAccessHAdaptMem(void* arkode_mem, const char* fname, ARKodeMem* ark_mem,
 
 int arkSetAdaptivityMethod(void* arkode_mem, int imethod, int idefault, int pq,
                            sunrealtype adapt_params[3]);
-int arkSetAdaptivityFn(void* arkode_mem, ARKAdaptFn hfun, void* h_data);
-int arkSetMaxFirstGrowth(void* arkode_mem, sunrealtype etamx1);
-int arkSetMaxEFailGrowth(void* arkode_mem, sunrealtype etamxf);
-int arkSetSmallNumEFails(void* arkode_mem, int small_nef);
-int arkSetMaxCFailGrowth(void* arkode_mem, sunrealtype etacf);
-int arkSetStabilityFn(void* arkode_mem, ARKExpStabFn EStab, void* estab_data);
-int arkSetMaxErrTestFails(void* arkode_mem, int maxnef);
-int arkSetMaxConvFails(void* arkode_mem, int maxncf);
-int arkSetUseCompensatedSums(void* arkode_mem, sunbooleantype onoff);
-int arkGetWorkSpace(void* arkode_mem, long int* lenrw, long int* leniw);
-int arkGetNumStepAttempts(void* arkode_mem, long int* nstep_attempts);
-int arkGetNumSteps(void* arkode_mem, long int* nsteps);
-int arkGetActualInitStep(void* arkode_mem, sunrealtype* hinused);
-int arkGetLastStep(void* arkode_mem, sunrealtype* hlast);
-int arkGetCurrentStep(void* arkode_mem, sunrealtype* hcur);
-int arkGetCurrentState(void* arkode_mem, N_Vector* ycur);
-int arkGetCurrentTime(void* arkode_mem, sunrealtype* tcur);
-int arkGetTolScaleFactor(void* arkode_mem, sunrealtype* tolsfac);
-int arkGetErrWeights(void* arkode_mem, N_Vector eweight);
-int arkGetResWeights(void* arkode_mem, N_Vector rweight);
-int arkGetNumGEvals(void* arkode_mem, long int* ngevals);
-int arkGetRootInfo(void* arkode_mem, int* rootsfound);
-int arkGetNumConstrFails(void* arkode_mem, long int* nconstrfails);
-int arkGetNumExpSteps(void* arkode_mem, long int* nsteps);
-int arkGetNumAccSteps(void* arkode_mem, long int* nsteps);
-int arkGetNumErrTestFails(void* arkode_mem, long int* netfails);
-int arkGetNumStepSolveFails(void* arkode_mem, long int* nncfails);
-int arkGetStepStats(void* arkode_mem, long int* nsteps, sunrealtype* hinused,
-                    sunrealtype* hlast, sunrealtype* hcur, sunrealtype* tcur);
-int arkGetUserData(void* arkode_mem, void** user_data);
-int arkPrintAllStats(void* arkode_mem, FILE* outfile, SUNOutputFormat fmt);
-char* arkGetReturnFlagName(long int flag);
+
 int arkAllocSUNStepperForcing(SUNStepper stepper, int count, N_Vector tmpl);
 int arkFreeSUNStepperForcing(SUNStepper stepper);